Dictionary

A person who supervises students as they take an examination, in the United States at the college/university level; often the department secretary, or a fellow/graduate student; an invigilator.

An official at any of several older universities.

A legal practitioner in ecclesiastical and some other courts.

One appointed to collect alms for those who could not go out to beg for themselves, such as lepers and the bedridden.

To function as a proctor

To manage as an attorney or agent