1. (a.) Helping; lending aid or support; auxiliary.

2. (a.) of the second grade in the staff of the army; as, an assistant surgeon.

3. (n.) One who, or that which, assists; a helper; an auxiliary; a means of help.

4. (n.) An attendant; one who is present.

acolyte adjutant agent aid aide aide-de-camp aider ancilla assistant professor associate associate professor attendant attorney auxiliary benefactor best man co-worker coadjutant coadjutor coadjutress coadjutrix deputy emeritus employee executive officer factor fall guy flunky girl Friday help helper helpmate helpmeet henchman hired hand hired man hireling inferior instructor junior lecturer lieutenant man Friday mercenary minion myrmidon paranymph paraprofessional patsy pensioner professor professor emeritus proxy reader retired professor right-hand man second secondary servant sideman stooge striker subordinate subsidiary supporting actor supporting instrumentalist tutor underling understrapper visiting professor worker workfellow yokemate