All quisling synonyms

noun quisling

• traitor — a person who betrays another, a cause, or any trust.
• judas — the fourth son of Jacob and Leah. Gen. 29:35.
• betrayer — to deliver or expose to an enemy by treachery or disloyalty: Benedict Arnold betrayed his country.
• collaborator — A collaborator is someone that you work with to produce a piece of work, especially a book or some research.
• defector — A defector is someone who leaves their country, political party, or other group, and joins an opposing country, party, or group.
• deserter — A deserter is someone who leaves their job in the armed forces without permission.
• double-crosser — to prove treacherous to; betray or swindle, as by a double cross.
• double-deal — to practice double-dealing.
• sympathizer — a person who sympathizes.
• turncoat — a person who changes to the opposite party or faction, reverses principles, etc.; renegade.
• two-timer — to be unfaithful to (a lover or spouse).
• colluder — to act together through a secret understanding, especially with evil or harmful intent.
• snake in the grass — a treacherous person, especially one who feigns friendship.