Actor

Ac"tor (?), n. [L. actor, fr. agere to act.] 1. One who acts, or takes part in any affair; a doer.

2. A theatrical performer; a stageplayer.

After a well graced actor leaves the stage.
Shak.

3. (Law) (a) An advocate or proctor in civil courts or causes. Jacobs. (b) One who institutes a suit; plaintiff or complainant.