Cō'ad-jū'tor, n.
n. 1. One who aids another; an assistant; a fellow-helper. “Craftily outwitting her perjured coadjutor.” Sheridan.
Sense 2. One who is empowered or appointed to perform the duties of another. Johnson.
Sense 3. (Rom. Cath. Church.) The assistant of a bishop, or other prelate. Brande.
Synonyms—Assistant; ally; fellow-helper; associate; partner; colleague.