| deserter(noun, approach, rebel, opponent) |
| betrayer(noun, source, sneak, informer) |
| defector(noun, approach, rebel, renegade) |
| judas(noun, impostor, renegade, traitor) |
| double-crosser(noun, source, sneak, informer) |
| informer(noun, source, grass, sneak) |
| quisling(noun, impostor, renegade, traitor) |
| Benedict Arnold(noun, expression, rat, renegade) |
| snake(noun, informal, rebel, impostor) |
| backslider(noun, rebel, impostor, renegade) |
| conspirator(noun, impostor, renegade, traitor) |
| double agent(noun, expression, idiom, traitor) |
| rebel(noun, person, resistance, recreant) |
| collaborator(noun, traitor, conspirator) |
| treasonist(noun, impostor, renegade, traitor) |
| fink(noun, source, grass, sneak) |
| intriguer(impostor, renegade, hypocrite, conspirator) |
| sneak(noun, informal, source, grass) |
| snitch(noun, source, grass, sneak) |
| squealer(noun, source, grass, sneak) |