(n.) One who deceives; one who leads into error; a cheat; an impostor.

Judas actor affecter bad person betrayer convict criminal crook debaucher defiler delinquent desperado desperate criminal despoiler double-dealer evildoer fake felon fraud fugitive gallows bird gangster gaolbird hollow man jailbird lawbreaker malefactor malevolent malfeasant malfeasor man of straw mannerist misfeasor mobster outlaw paper tiger performer phony playactor pretender public enemy quisling racketeer raper rapist ravager ravisher scofflaw scoundrel seducer sinner straw man swindler thief thug traitor transgressor two-timer villain violator worker of ill wrongdoer