Agent can mean:
Agent (grammar), one of the thematic roles: the participant of a situation that carries out an action. Replaces "subject" in
placement typology.Tuition agent, a person who represents a
tuition agency in searching for suitable
tutors for students.
Agent (law), a person authorised to act on behalf of another person
literary agent, a person who represents a writer
theatrical agentbooking agentsports agent, a professional who represents an athlete
talent agent, a person who finds jobs for actors, models, and other people in various entertainment businesses.
Press agent, publicist who acts on behalf of a client on all matters involving public relations
Foreign agent, someone registered with the U.S. Justice Department as mandated by the
Foreign Agents Registration ActAgent (economics)Travel agent, makes vacation and travel arrangements
Special agent, generally, a federal criminal or non-criminal investigator or detective.
Espionage, secret agent, a spy
Double agent, in spying
Election agent, a person responsible for a candidate's campaign
Free agent, a sports player who is out of contract
Real estate broker, or real estate agent
Yacht broker, or yacht agent
Yacht charter broker, or yacht charter agent
Agent provocateur, a person assigned to provoke unrest, violence, debate, or argument by or within a group while acting as a member of the group but covertly representing the interests of another
Agent noun (or nomen agentis), one of the derivatemes (a topic from linguistic morphology)
Rational agent (in philosophy), deliberate beingIn science
See more at Wikipedia.org...