1. actor — Lewis & Short
actor, ōris, m.id..
I One who drives or moves something:
pecoris actor,Ov. H. 1, 95:
habenae,a slinger, Stat. Ach. 2, 419.—
II In gen., he who does any thing, a doer or performer (cf. ago, II.).
A In gen. of every kind of action:
ut illum efficeret oratorem verborum actoremque rerum,Cic. de Or. 3, 15, 57 (a translation of the Homer. prhkth=ra e)/rgwn, Il. 9, 443):
Cato dux, auctor, actor rerum illarum fuit,id. Sest. 28 fin.; so Caes. B. C. 1, 26; Nep. Att. 3, 2 al.—
B In judicial lang., one who brings an action, a plaintiff:
accusatorem pro omni actore et petitore appello,Cic. Part. 32;
esp. of lawyers: Moloni Rhodio et actori summo causarum et magistro,id. Brut. 89 fin.; so Hor. A. P. 369 al.—Also, one who conducts a suit, an advocate, Cic. Caec. 1.—Hence,
C At a later period, an agent or attorney; in gen., an administrator or manager or steward, overseer of property or an estate.—So in Tac.: actor publicus, he who administers the public property, Ann. 2, 30; 3, 67: actor summarum, a keeper of accounts or cashier, Suet. Dom. 11, and so often in the Dig.: sub actoribus, overseers (of a household), Vulg. Gal. 4, 2.—
D In rhetor. lang., one who delivers any oral discourse; and esp. one who delivers an oration, an orator:
inventor, compositor, actor,Cic. Or. 19.—
2 A player, an actor:
actores secundarum et tertiarum partium,Cic. Div. in Caecil. 15; so id. de Or. 1, 26; id. Q. Fr. 1, 1, 16 (cf. ago, II., and actio, II. C.).