racketeer vs malefactor

racketeer and malefactor both are nouns.

Word	Noun	Adjective	Verb	Adverb
racketeer	Yes	No	Yes	No
malefactor	Yes	No	No	No

As nouns, malefactor is a hypernym of racketeer; that is, malefactor is a word with a broader meaning than racketeer:

racketeer: someone who commits crimes for profit (especially one who obtains money by fraud or extortion)
malefactor: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of racketeer include criminal, crook, felon, outlaw.

racketeer (noun)	malefactor (noun)
someone who commits crimes for profit (especially one who obtains money by fraud or extortion)	someone who has committed a crime or has been legally convicted of a crime

racketeer (verb)	malefactor (verb)
carry on illegal business activities involving crime