Transgressor

(n.) One who transgresses; one who breaks a law, or violates a command; one who violates any known rule or principle of rectitude; a sinner.

Thesaurus Entries

bad person, criminal, crook, culprit, deceiver, delinquent, evil man, evil person, evildoer, felon, gangster, lawbreaker, malefactor, malevolent, malfeasant, malfeasor, miscreant, misdemeanant, misdemeanist, misfeasor, mobster, offender, outlaw, public enemy, racketeer, sinner, thief, trespasser, villain, worker of ill, wrongdoer