What is another word for "officer"?

Roget's Thesaurus (1911) lists these synonyms for "officer": accessory, administration, administrative, adviser, advocate, aedile, alguazil, arm, assistant, association, attorney, authority, bailiff, bailiwick, banco, bar, barrister, beadle, beagle, bearer, bedel, bencher, bureau, call, catchpoll, causidical, civilian, commission, constable, constabulary, consult, conveyancer, cop, coroner, corporation, counsel, court, cursitor, customhouse, department.