| betrayer(noun, informer, rat, turncoat) |
| traitor(noun, person, informer, rat) |
| turncoat(noun, informer, rat, impostor) |
| Judas(noun, informer, impostor, renegade) |
| defector(noun, impostor, renegade, turncoat) |
| double-crosser(noun, informer, rat, impostor) |
| informer(noun, rat, turncoat, traitor) |
| quisling(noun, impostor, renegade, turncoat) |
| impostor(renegade, turncoat, hypocrite, conspirator) |
| intriguer(impostor, renegade, turncoat, hypocrite) |
| miscreant(impostor, renegade, turncoat, hypocrite) |
| rebel(turncoat, conspirator) |
| sneak(impostor, renegade, turncoat, hypocrite) |
| snitcher(impostor, renegade, turncoat, hypocrite) |
| squealer(impostor, renegade, turncoat, hypocrite) |
| traducer(impostor, renegade, turncoat, hypocrite) |
| backstabber(noun, informer, rat, traitor) |
| deserter(noun, impostor, renegade, turncoat) |
| double agent(noun, expression, turncoat, traitor) |
| fink(noun, informer, rat, impostor) |