Synonyms of collaborator

Noun

1. confederate, collaborator, henchman, partner in crime, accessory, accessary

usage: someone who assists in a plot

2. collaborator, collaborationist, quisling, traitor, treasonist

usage: someone who collaborates with an enemy occupying force

3. collaborator, cooperator, partner, pardner, associate

usage: an associate in an activity or endeavor or sphere of common interest; "the musician and the librettist were collaborators"; "sexual partners"