By Bishwajit Purkaystha

2019-03-11 13:07:19 8 Comments

Suppose, I helped a person in his tough times. I stood by him in his financial crisis and made an all-out possible effort to help him overcome his distress. Therefore, I was surely a benefactor to him.

A few years later, he stole my undergraduate degree certificate and started blackmailing me.

What do you call a person who harms (or tries to harm) the benefactor?

In Bengali, we use the word "কৃতঘ্ন" (pronunciation: Kritoghno) for such persons. Google translate shows that the English counterpart is "Unreasonable". This is nowhere near to the idea!

So, what do you call such a person?


@MarkTO 2019-03-13 20:59:33

What flavor of English are you asking about? In American English, such a person could be described as a 'Benedict Arnold' after the historical figure, but that's not likely to be so well known outside the US. Other English-speakers may have other such references.

@Dannie 2019-03-13 22:49:20

In the UK reasonably well known, but would probably not come to mind in this context. ;-) Quisling is probably the person who's most treachery-personified in the UK psyche, do the extent that he's sometimes exclaimed.

@MarkTO 2019-03-14 16:50:39

@Dannie Fair point. In the US, his injured leg has a monument for service during the revolution. The rest of him is reviled as a traitor :D

@AureySteader 2019-03-12 22:38:48

Perhaps a viper in one's bosom, or just viper:

viper - a spiteful or treacherous person.

viper in one's bosom - a person who betrays those who have helped them.

Google Dictionary

@Nate Symer 2019-03-12 21:59:46

I think unreasonable is accurate. What you define reasonable to mean essentially defines what unreasonable means: Anything not reasonable. Hurting someone who helps you sure is insane!

In today's American English, reasonable means "operating according to reason" where reason is the subset of all human logic that most humans accept as sound.

Your "Kritoghno" is someone who "bites the hand that feeds". I doubt most people would call that behavior sane, especially psychologists: Biting the hand that feeds means that you disobey the laws of psychological conditioning, meaning that you have irregular psychology. People who have irregular psychology are "insane" and do not possess the reason that everyone else possesses. Therefore, these people are called "unreasonable".

@MarkTO 2019-03-13 20:56:11

Unreasonable has much milder connotations in English than the kind of treachery described in the question. While yes, it's 'unreasonable' to do what this person did, describing it as such would be a very large understatement, almost to the point of comedy, such as calling a car accident that left one paralyzed 'a bit bothersome' An unreasonable person won't accept low-fat milk in their latte if the coffee shop is out of whole milk, for example. What is described here is well beyond unreasonable

@Hosch250 2019-03-12 13:02:17

This person is a parasite.

  1. An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.

  2. A person who habitually relies on or exploits others and gives nothing in return.

@John Montgomery 2019-03-13 22:54:24

To me at least, "parasite" implies more along the lines of someone who exploits your generosity, rather than simply betraying it.

@nigel222 2019-03-14 10:59:30

In nature a parasite needs to keep its host alive and preferably healthy. So an exploitative relationship, not treachery.

@Hosch250 2019-03-14 12:04:29

Not necessarily. Many parasites in nature kill their host; hence they are so bad.

@anand 2019-03-12 12:14:16

Treacherous [English]

अकृतज्ञ [Hindi]

Should be the exact words, Meaning: Someone who notonly forgets the favors of past [of the benefactor], but also trying to make selfish profits in every unlawful way from his benefactors.

@Dan 2019-03-11 22:46:55

A two-faced ingrate, perhaps.

Two-faced - deceitful, insincere (OED).

Ingrate - an ungrateful person; one who does not feel or show gratitude (OED).

Or even, incorporating other suggestions here, an awful, two-faced, treacherous, backstabbing ingrate.

@Drew 2019-03-13 02:07:43

ingrate, yes (+1); two-faced, no. I don't see two-faced in the OP description.

@Dan 2019-03-13 13:12:40

@Drew - No? Do you not think it probable that, when they were being helped, the ingrate would have been thankful and quite likely full of promises of future goodwill in return?

@chasly from UK 2019-03-11 20:59:25

snake in the grass

One who feigns friendship with the intent to deceive.

Did you hear that Daria's best friend stole money from her bank account? What a snake in the grass.

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

snake in the grass a sneaky and despised person.

How could I ever have trusted that snake in the grass? John is such a snake in the grass.



verb (used with object), back·stabbed, back·stab·bing. to attempt to discredit (a person) by underhanded means, as innuendo, accusation, or the like.

@Bishwajit Purkaystha 2019-03-12 04:58:18

"Snake in the grass" is not suitable. Because he did not initiate friendship with me to deceive me. He betrayed me and harmed me after I had done goods to him.

@Ubi hatt 2019-03-11 18:42:24

I feel that your iniquitous ex-friend has three distinct negative qualities and they can not be described in a single word.

1) stole my undergraduate degree certificate: It is actually a crime. He robbed your certificates, so he is actually a thief.

2) started blackmailing me: This one is also a crime. So, he is also a Blackmailer

3) you helped him, but he forgot your good deeds: This negative quality shows that your ex-friend is a disloyal person.

So, your friend is actually a thief, blackmailer, and disloyal person.

@Dannie 2019-03-13 22:43:06

And a cad and a bounder to boot!

@scohe001 2019-03-11 18:39:46

In the same vein as "treacherous," you could call such a person perfidious:

Characterized by perfidy; guilty of breaking faith or violating confidence; deliberately faithless; treacherous. Also occasionally as n.: a perfidious person.

@TKK 2019-03-11 17:33:13

Such a person would be called a backstabber:

Backstabbing: the action or practice of criticizing someone in a treacherous manner while feigning friendship.

I chose this definition because unlike some others I found, it includes the element of false friendship, which I think is essential. One cannot backstab an enemy.

@Ben 2019-03-11 16:43:12

In English there is a saying which is related to this idea:

No good deed goes unpunished.

The idea is that by helping certain people, you become involved in their lives, and you are then included in the trouble they later make for those around them. For example, if you lend someone money they may ask you for other favours.

It does not mean you should never help people, only that you should be careful and recognise if this begins to happen.

@Barmar 2019-03-11 18:42:04

This tends to be used humorously, and the "punishment" it refers to is usually minor inconveniences (like asking for favors). And there's also usually a cause-and-effect relationship -- in the question, it's hard to see how helping someone through a crisis caused him to steal from them.

@user22542 2019-03-11 15:57:28

Most would call them a "traitor" or describe them (or the deed) using a related word like "treachery or treacherous". These describe deep betrayal of trust and good will, plain and simple. See also "Judas".

@Mark Beadles 2019-03-11 15:52:03

"Ungrateful" is also suggested as a translation of কৃতঘ্ন kr̥taghna. As a noun, one might call such person an ingrate or that they are exhibiting ingratitude or ungratefulness.

@Timbo 2019-03-11 17:54:35

"Ungrateful" seems marginally better than "unreasonable". But to capture "stealing from and blackmailing someone who helped you" I would want a word connoting evil. "Ungrateful" is benign in contrast.

@jxh 2019-03-11 21:23:20

+1 for ingrate.

@hojusaram 2019-03-12 04:34:21

The Hindi word 'kritaghna' would translate to ungrateful. Although in the context of not just being ungrateful, but actually stealing/blackmailing I would use a stronger word than kritaghna/ungrateful. I am not sure if in Bengali the word has a stronger meaning.

@Bryan Krause 2019-03-13 21:13:35

Ungrateful in this context would be best applied to some of the other nouns suggested here; an 'ungrateful traitor' or 'ungrateful backstabber' would help convey that the person was specifically ungrateful, indicating that they had received some benefit from the person prior to the treason. Otherwise, a traitor or backstabber might refer to someone who is otherwise a peer in the relationship, and that they have merely violated an expectation of working together rather than treated someone poorly who specifically helped them.

@Pam 2019-03-11 15:22:37

Not a single word, but an idiom that is so closely related I had to suggest it:

Bite the hand that feeds you

Your friend has bitten the hand that feeds him.

From The American Heritage Dictionary of Idioms

Show ingratitude, turn against a benefactor. For example, The college gave me a scholarship, so I shouldn't bite the hand that feeds me and criticize its hiring policies . Used about 600 b.c. by the Greek poet Sappho, this metaphor of a dog biting its master was first recorded in English in 1711.

The very fact that the definitions of this idiom do not give a single word definition suggests that there might not be a commonly used single word (other answers may prove me wrong, though!).

@Barmar 2019-03-11 18:37:38

This is what came to my mind as well, although in my experience it's more often used as an admoishment, "Don't bite the hand that feeds you." It also feels strange to me to use it to refer to someone who helped you only in the past.

@Dan 2019-03-12 09:45:06

How does this answer "what ... you call a person who harms (or tries to harm) the benefactor"?

@Mitch 2019-03-12 12:31:08

@Dan How does it not answer the question?

@Dan 2019-03-12 23:24:11

@Mitch - the OP asks (twice!) "What do you call a person who harms (or tries to harm) the benefactor?". A 'biter of the hand that feeds them' - really?

@Drew 2019-03-13 02:05:32

@Dan: I don't know of a single noun that captures the meaning of the-ingrate-who-foolishly-bites-the-hand-that-feeds-him. Languages don't always correspond one-to-one in terms of individual words that have close connotations. To me, this phrase is the best answer, even if it does not give the OP a single noun to fill in the blank. This is how we typically express this thing in English. Second best, but it doesn't even come close even if it fills in the blank, is the noun ingrate. (I upvoted that too.)

@Dan 2019-03-13 13:08:28

@Drew - This is a fair point. The problem though is that this answer does not provide a label of any kind. It's clearly idiomatic to say, for example, "I wouldn't trust that guy, he bit the hand that fed him". But you wouldn't say "Don't trust that guy he's a biter of hands that feed him". Of course the phrase is related to the OP, but it describes what a person does/did, not what s/he is. The noun/noun phrase to describe such a person is the nub of this question.

@Hellion 2019-03-14 14:46:07

@Dan I suppose you could say "I wouldn't trust that guy, he's a hand-biter", and then expect to have to expand on it for the significant percentage of people who don't get the reference immediately.

@Dan 2019-03-14 14:52:08

@Hellion - very good! Best answer yet !!

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