fair game vs victim

fair game and victim both are nouns.

Word	Noun	Adjective	Verb	Adverb
fair game	Yes	No	No	No
victim	Yes	No	No	No

As nouns, victim is a hypernym of fair game; that is, victim is a word with a broader meaning than fair game:

fair game: a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence
victim: an unfortunate person who suffers from some adverse circumstance

fair game (noun)	victim (noun)
a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence	an unfortunate person who suffers from some adverse circumstance
	a person who is tricked or swindled