A lot vs. Alot: 9 Grammatical Pitfalls
late 14c., contraction of procurator (c.1300) "steward or manager of a household;" also "a provider" (see procurator). From late 14c. as "one who acts or speaks for another; spokesman, advocate;" early 15c. as "business manager or financial administrator of a church, college, holy order, etc."
1670s, from proctor (n.). Related: Proctored; proctoring.
in English law, formerly a practitioner in ecclesiastical and admiralty courts, who performed duties similar to those of solicitors in ordinary courts. After the Judicature Act of 1873, the title of proctor in this sense became obsolete, the term solicitor being extended to include proctors. See also solicitor.