ganef vs offender

ganef and offender both are nouns.

Word	Noun	Adjective	Verb	Adverb
ganef	Yes	No	No	No
offender	Yes	No	No	No

As nouns, offender is a hypernym of ganef; that is, offender is a word with a broader meaning than ganef:

ganef: (Yiddish) a thief or dishonest person or scoundrel (often used as a general term of abuse)
offender: a person who transgresses moral or civil law

Other hypernyms of ganef include wrongdoer.

ganef (noun)	offender (noun)
(Yiddish) a thief or dishonest person or scoundrel (often used as a general term of abuse)	a person who transgresses moral or civil law