- traitor, treasonist - someone who betrays his country by committing treason
--1 is a kind of criminal, felon, crook, outlaw, malefactor
--1 has particulars:collaborator, collaborationist, quisling; fifth columnist, saboteur; traitress; Arnold, Benedict Arnold - double-crosser, double-dealer, two-timer, betrayer, traitor - a person who says one thing and does another
--2 is a kind of deceiver, cheat, cheater, trickster, beguiler, slicker
--2 has particulars: Judas