shyster vs offender

shyster and offender both are nouns.

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

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

shyster: a person (especially a lawyer or politician) who uses unscrupulous or unethical methods
offender: a person who transgresses moral or civil law

Other hypernyms of shyster include wrongdoer.

shyster (noun)	offender (noun)
a person (especially a lawyer or politician) who uses unscrupulous or unethical methods	a person who transgresses moral or civil law