card sharper vs defrauder

card sharper and defrauder both are nouns.

Word	Noun	Adjective	Verb	Adverb
card sharper	Yes	No	No	No
defrauder	Yes	No	No	No

As nouns, defrauder is a hypernym of card sharper; that is, defrauder is a word with a broader meaning than card sharper:

card sharper: a professional card player who makes a living by cheating at card games
defrauder: a person who swindles you by means of deception or fraud

Other hypernyms of card sharper include card player, chiseler, chiseller, gouger, grifter, scammer, swindler.

card sharper (noun)	defrauder (noun)
a professional card player who makes a living by cheating at card games	a person who swindles you by means of deception or fraud