[ˈeɪdʒ(ə)nt], (Noun)

Definitions:
- a person who acts on behalf of another person or group
(e.g: in the event of illness, a durable power of attorney enabled her nephew to act as her agent)

- a person or thing that takes an active role or produces a specified effect
(e.g: these teachers view themselves as agents of social change)


Phrases:

Origin:
late Middle English (in the sense ‘someone or something that produces an effect’): from Latin agent- ‘doing’, from agere