| collaborator(noun, person, partner, colleague) |
| traitor(noun, person, disobedience, turncoat) |
| betrayer(noun, turncoat, traitor, conspirator) |
| double-crosser(noun, impostor, renegade, turncoat) |
| renegade(noun, disobedience, impostor, turncoat) |
| turncoat(noun, impostor, renegade, traitor) |
| Judas(noun, impostor, renegade, turncoat) |
| defector(noun, impostor, renegade, turncoat) |
| deserter(noun, impostor, renegade, turncoat) |
| two-timer(noun, impostor, renegade, turncoat) |
| Benedict Arnold(noun, expression, impostor, renegade) |
| apostate(impostor, renegade, turncoat, hypocrite) |
| backslider(impostor, renegade, turncoat, hypocrite) |
| deceiver(impostor, renegade, turncoat, hypocrite) |
| informer(turncoat, conspirator) |
| intriguer(impostor, renegade, turncoat, hypocrite) |
| rebel(noun, disobedience, turncoat, conspirator) |
| snake(impostor, renegade, turncoat, hypocrite) |
| treasonist(impostor, renegade, turncoat, hypocrite) |
| back-stabber(noun, impostor, renegade, turncoat) |