agent
One who exerts power, or has the power to act.
Other meanings
One who acts for, or in the place of, another (the principal), by that person's authority; someone entrusted to act on behalf of or in behalf of another, such as to transact business for them.
“He worked as an agent for the government.”
A person who looks for work for another person and brokers a deal between the hiree and hirer.
Word history
From Latin "agēns".
Where this comes from
This definition is adapted from “agent” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.