traitor

Definitions

A person who betrays a friend, country, principle, or cause.

Someone who commits an act of treason or betrays their allegiance to a sovereign or government.

Examples

The soldier was branded a traitor after he leaked classified information to the enemy.

He felt like a traitor to his own family when he decided to move across the country.

Synonyms

betrayer turncoat renegade defector quisling double agent backstabber

Antonyms

patriot loyalist supporter ally faithful follower devotee stalwart