noun a person who assists or works together with another
adjective providing assistance or support
A coadjutant is an assistant or aide in military operations.
In religious contexts, a coadjutant may be an assistant to a bishop or other clergy member.
In the medical field, a coadjutant may refer to a physician's assistant or a medical aide.
Within education, a coadjutant could be a teaching assistant or support staff member.