| rebel(spy, turncoat, conspirator) |
| renegade(noun, spy, impostor, turncoat, hypocrite) |
| scofflaw |
| smoothie(fraud, phony, crook, trickster, charlatan) |
| snake(spy, impostor, renegade, turncoat, hypocrite) |
| sneak(spy, impostor, renegade, turncoat, hypocrite) |
| snitch(spy, impostor, renegade, turncoat, hypocrite) |
| sophist(fraud, phony, crook, trickster, charlatan) |
| squealer(spy, impostor, renegade, turncoat, hypocrite) |
| stool pigeon(expression, spy, impostor, renegade, turncoat) |
| swindler |
| tattletale(spy, impostor, renegade, turncoat, hypocrite) |
| thief |
| thug |
| traducer(spy, impostor, renegade, turncoat, hypocrite) |
| treasonist(spy, impostor, renegade, turncoat, hypocrite) |
| two-face(fraud, phony, crook, trickster, charlatan) |
| whistle-blower(spy, impostor, renegade, turncoat, hypocrite) |
| wolf(spy, impostor, renegade, turncoat, hypocrite) |
| blabber |