collaborator
noun /kəˈlæbəreɪtə(r)/
/kəˈlæbəreɪtər/
- a person who works with another person to create or produce something such as a book
- He is working on a new series with his long-time collaborator Michel Baudin.
- (disapproving) a person who helps the enemy in a war, when they have taken control of the person’s country
- Former collaborators are now facing public humiliation in the courts.