renegue

Example:The traitor was hanged as a warning to others.

Definition:A person who betrays a country, group, or cause, especially to a rival; a renegade.

Example:The turncoat advised the enemy and betrayed his former comrades-in-arms.

Definition:A person who changes sides, especially in a political context; a traitor.

Example:The disloyal agent was expelled from the intelligence network.

Definition:Unwilling or refusing to be loyal, especially to a person or organization.