Malefactor

n.	1.	An evil doer; one who commits a crime; one subject to public prosecution and punishment; a criminal.
	2.	One who does wrong by injuring another, although not a criminal. Opposite of benefactor.

Noun

1.

malefactor - someone who has committed (or been legally convicted of) a crime Synonyms: criminal, crook, felon, outlaw

MALEFACTOR. He who bas been guilty of some crime; in another sense, one who has been convicted of having committed a crime.

bad person, blackguard, crook, culprit, deceiver, delinquent, evil man, evil person, felon, knave, lawbreaker, malevolent, malfeasant, malfeasor, miscreant, misdemeanant, misdemeanist, misfeasor, mobster, offender, outlaw, public enemy, racketeer, rascal, rogue, sinner, thief, transgressor, villain, worker of ill