What is the meaning of Actor?

Someone who institutes a legal suit; a plaintiff or complainant.

Someone acting on behalf of someone else; a guardian.

Someone or something that takes part in some action; a doer, an agent.

A person who acts a part in a theatrical play or (later) in film or television; a dramatic performer.

An advocate or proctor in civil courts or causes.

The subject performing the action of a verb.

The entity that performs a role (in use case analysis).

actor

actor, agent (person who does an action)

maker, author

plaintiff

legal entity who is party to a contract

actor

actor; agent, player (who has a part in some field of economical, social or other action, i.e., an active human factor)

actor

doer, agent

actor (person who performs in a theatrical play or movie)

prosecutor, plaintiff, advocate, orator

alternative form of actour

actor

pre-reform spelling (used until 1943 in Brazil and 1990 in Portugal) of ator; still used where the agreement hasn’t come into effect and may occur as a sporadic misspelling

actor

actor

actor (person who performs in a theatrical play or movie)

defendant

actor

Source: wiktionary.org