Meaning of the word informer in English

What does informer mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

informer

US /ɪnˈfɔːr.mɚ/
UK /ɪnˈfɔː.mər/

Noun

a person who gives information to another, especially to the police or other authorities, typically in return for payment or immunity from prosecution

Example:
The police received a tip-off from an informer.
He was accused of being an informer for the enemy.