| betrayer(noun, person, trust, turncoat) |
| informer(turncoat, traitor, conspirator) |
| double-crosser(noun, person, trust, impostor) |
| traitor(noun, person, trust, turncoat) |
| turncoat(noun, impostor, renegade, traitor) |
| Benedict Arnold(noun, expression, impostor, renegade) |
| hypocrite(impostor, renegade, turncoat, traitor) |
| quisling(noun, impostor, renegade, turncoat) |
| backslider(impostor, renegade, turncoat, hypocrite) |
| snake(impostor, renegade, turncoat, hypocrite) |
| two-timer(noun, impostor, renegade, turncoat) |
| apostate(noun, cheat, informer, swindler) |
| back-stabber(noun, informer, impostor, renegade) |
| conspirator(noun, impostor, renegade, turncoat) |
| deceiver(noun, impostor, renegade, turncoat) |
| defector(impostor, renegade, turncoat, hypocrite) |
| deserter(impostor, renegade, turncoat, hypocrite) |
| fink(impostor, renegade, turncoat, hypocrite) |
| intriguer(impostor, renegade, turncoat, hypocrite) |
| miscreant(impostor, renegade, turncoat, hypocrite) |