Found 2 items, similar to cooperator.
English → English (WordNet)
Definition: cooperator
cooperator
n : an associate who works with others toward a common goal;
“partners in crime” [syn:
collaborator,
partner,
pardner]
English → English (gcide)
Definition: Cooperator
Cooperator
\Co*["o]p"er*a`tor\, n. [L.: cf. F. coop['e]rateur.]
One who labors jointly with others to promote the same end.
``Co["o]perators with the truth.'' --Boyle.
[1913 Webster]