Someone or something that takes part in some action; a doer, an agent.
The entity that performs a role (in use case analysis).
A person who acts a part in a theatrical play or (later) in film or television; a dramatic performer.
The subject performing the action of a verb.
The readership of a book or other written publication.
A following.
An audiencia (judicial court of the Spanish empire), or the territory administered by it.
A widespread or nationwide viewing or listening public, as of a TV or radio network or program.
A group of people within hearing; specifically, a large gathering of people listening to or watching a performance, speech, etc.
A formal meeting with a state or religious dignitary.