| plotter(noun, manipulator, schemer) |
| accessory(noun, person, help, associate, assistant) |
| accomplice(noun, person, help, aid, associate) |
| confederate(noun, person, help, aid, associate) |
| coconspirator(noun, associate, assistant, accessory, partner) |
| traitor(noun, person, spy, knave, deserter) |
| machinator(noun, plan) |
| ally(noun, associate, assistant, accessory, partner) |
| associate(noun, aid, subordinate, assistant, accessory) |
| schemer(noun, plan, plotter, manipulator, Machiavelli) |
| betrayer(noun, spy, turncoat, knave, plotter) |
| collaborator(noun, associate, spy, assistant, accessory) |
| strategist(noun, person, plan, individual, visionary) |
| abettor(noun, aid, associate, subordinate, assistant) |
| conniver(noun, plotter, manipulator, schemer) |
| intriguer(noun, spy, informer, impostor, renegade) |
| archtraitor |
| cohort(noun, accomplice) |
| conspirer |
| designer |