What is another word for "director"?

Roget's Thesaurus (1911) lists these synonyms for "director": abecedarian, ablegate, accredit, acting, adviser, advocate, agent, alter, ambassador, answer, apostle, appear, arbitrator, archon, attache, attorney, auctioneer, bagman, bailiff, bear, behalf, brief, broker, business, chalk, champion, chancellor, charge, clergy, clerk, coach, commercial, commissary, commission, commissionaire, commissioner, committee, consignee, consul, corps.