| traitor(noun, person, spy, turncoat, conspirator) |
| turncoat(noun, spy, impostor, renegade, traitor) |
| betrayer(spy, turncoat, conspirator) |
| conspirator(spy, impostor, renegade, turncoat, hypocrite) |
| double agent(expression, spy, turncoat, conspirator) |
| informer(spy, turncoat, conspirator) |
| quisling(spy, impostor, renegade, turncoat, hypocrite) |
| snake(spy, impostor, renegade, turncoat, hypocrite) |
| Benedict Arnold(noun, expression, spy, impostor, renegade) |
| Judas(spy, impostor, renegade, turncoat, hypocrite) |
| apostate(spy, impostor, renegade, turncoat, hypocrite) |
| back-stabber(spy, impostor, renegade, turncoat, hypocrite) |
| backslider(spy, impostor, renegade, turncoat, hypocrite) |
| cockatrice |
| conniver |
| deceiver(spy, impostor, renegade, turncoat, hypocrite) |
| defector(spy, impostor, renegade, turncoat, hypocrite) |
| deserter(spy, impostor, renegade, turncoat, hypocrite) |
| double-crosser(spy, impostor, renegade, turncoat, hypocrite) |
| double-dealer |