Collaborator

//kəˈlæbəɹeɪtɚ// noun

Definitions

Noun
  1. 1
    A person who works with others towards a common goal.
  2. 2
    an associate in an activity or endeavor or sphere of common interest wordnet
  3. 3
    A person who cooperates traitorously with an enemy.
  4. 4
    someone who collaborates with an enemy occupying force wordnet
  5. 5
    someone who assists in a plot wordnet

Etymology

From French collaborateur.

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