Also means
contributor
Usage Note
Collaborateur can mean a work colleague or a contributor to a project. However, in a historical context it carries the heavy stigma of collaboration with the Nazi occupiers during World War II — a collabo. In professional emails collaborateur is neutral, but in historical discussion the wartime sense dominates. The feminine is collaboratrice.
Examples
"Elle est une collaboratrice précieuse dans ce projet."
Natural Translation
She is a valuable collaborator on this project.

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