What is another word for "special"?

Roget's Thesaurus (1911) lists these synonyms for "special": accessory, adviser, advocate, agent, ambassador, apparitor, arbitrator, assistant, association, attache, attorney, auctioneer, bag, bagman, bailiff, banco, bar, barrister, beagle, bearer, bellman, bencher, boy, broker, business, cable, call, carrier, charge, chore, civilian, clerk, commercial, commissary, commission, commissionaire, commissioner, committee, consignee, consul.