collaborator
noun
[ kəˈlabəreɪtə ]
• a person who works jointly on an activity or project; an associate.
• "his collaborator on the book"
Similar:
co-worker,
fellow worker,
associate,
colleague,
partner,
co-partner,
confederate,
ally,
teammate,
assistant,
helper,
oppo,
quisling,
fraternizer,
collaborationist,
colluder,
(enemy) sympathizer,
conspirator,
traitor,
fifth columnist,
renegade,
betrayer,
turncoat,
defector,
informer,
double agent,
• a person who cooperates traitorously with an enemy; a defector.
• "he was a collaborator during the occupation"
