What is another word for "proctor"?

Roget's Thesaurus (1911) lists these synonyms for "proctor": accessory, adviser, advocate, agent, ambassador, arbitrator, assistant, association, attache, attorney, auctioneer, bagman, bailiff, banco, bar, barrister, beagle, bencher, broker, business, call, charge, civilian, clerk, commercial, commissary, commission, commissionaire, commissioner, committee, consignee, consul, consult, conveyancer, corps, correspondent, counsel, court, curator, cursitor.