noun an associate that one works with.
— synonyms: co-worker, fellow_worker, workfellow
noun a person who is member of one's class or profession.
— synonyms: confrere, fellow
Examples
“Young Fortinbras,/ Holding a weak supposal of our worth/...Colleagued with the dream of his advantage,/...hath not failed to pester us with message/ Importing the surrender of those lands/Lost by his father. - Hamlet (Act I, Scene 2)”