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