collaborator

1 ENTRIES FOUND:
collaborator /kəˈlæbəˌreɪtɚ/ noun
plural collaborators
collaborator
/kəˈlæbəˌreɪtɚ/
noun
plural collaborators
Britannica Dictionary definition of COLLABORATOR
[count]
1 
: a person who works with another person or group in order to achieve or do something
2 
: a person who helps an enemy who has invaded his or her country during a war