probationer vs malefactor

probationer and malefactor both are nouns.

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

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

probationer: someone released on probation or on parole
malefactor: someone who has committed a crime or has been legally convicted of a crime

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

probationer (noun)	malefactor (noun)
someone released on probation or on parole	someone who has committed a crime or has been legally convicted of a crime
a nurse in training who is undergoing a trial period