Meaning of AGENT in English

a ‧ gent S3 W2 /ˈeɪdʒ ə nt/ BrE AmE noun [countable]

[ Date: 1400-1500 ; Language: Medieval Latin ; Origin: from the present participle of Latin agere 'to drive, lead, act, move, do' ]

1 . a person or company that represents another person or company, especially in business:

Our agent in Rio deals with all our Brazilian business.

agent for

We’re acting as agents for Mr Watson.

⇨ ↑ estate agent , ↑ land agent , ↑ real estate agent , ↑ travel agent

2 . someone who finds work for actors, musicians etc, or who finds someone to ↑ publish a writer’s work:

My agent has a new script for me to look at.

a literary agent

3 . someone who works for a government or police department, especially in order to get secret information about another country or organization:

an intelligence agent

an FBI agent

an undercover (=secret) agent

⇨ ↑ secret agent , ↑ double agent

4 . technical a chemical or substance that is used for a particular purpose or that has a particular effect:

Soap is a cleansing agent.

5 . someone or something that affects or changes a situation

agent for/of change

Technological advances are the chief agents of change.

⇨ ↑ free agent

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.