treasonist

Thesaurus

Noun

1.

treasonist - someone who betrays his country by committing treasontraitorcollaborationist, quisling, collaborator - someone who collaborates with an enemy occupying forcecriminal, crook, felon, malefactor, outlaw - someone who has committed a crime or has been legally convicted of a crimefifth columnist, saboteur - a member of a clandestine subversive organization who tries to help a potential invadertraitress - female traitor