Word Study
defector
THESAURUS
defector
apostate, backslider, bolter, collaborationist, collaborator, convert, deserter, fifth columnist, mugwump, proselyte, quisling, rat, recidivist, recreant, renegade, renegado, renegate, reversionist, runagate, schismatic, seceder, secessionist, separatist, strikebreaker, tergiversant, tergiversator, traitor, turnabout, turncoat, turntailFor further exploring for "defector" in Webster Dictionary Online