agent
agentBrE /ˈeɪdʒənt/
NAmE /ˈeɪdʒənt/
noun
word origin
thesaurus
example bank
1 a person whose job is to act for, or manage the affairs of, other people in business, politics, etc
an insurance agent Our agent in New York deals with all US sales. If you're going to rent out your house while you're abroad, you'll need someone to act as your agent here. 
see also estate agent, land agent, travel agent 2 a person whose job is to arrange work for an actor, musician, sports player, etc. or to find sb who will publish a writer's worka theatrical/literary agent see also press agent 3 = secret agentan enemy agent see also double agent, special agent 4 (formal) a person or thing that has an important effect on a situationThe charity has been an agent for social change. 5 (technical) a chemical or a substance that produces an effect or a change or is used for a particular purposecleaning/oxidizing agents 6 (grammar) the person or thing that does an action (expressed as the subject of an active verb, or in a ‘by’ phrase with a passive verb) compare patient see also free agent
