Dictionary (n.) One who cooperates in an unlawful action or plot\.Thesaurus Benedict Arnold Brutus Judas Judas Iscariot Machiavellian Quisling abettor accessory accomplice archtraitor betrayer cockatrice coconspirator conniver conspirer counterplotter double agent double-crosser double-dealer exploiter finagler informer intrigant intriguer machinator maneuverer operator opportunist plotter quisling rat schemer serpent snake timeserver traitor treasonist trimmer turncoat wire-puller |