What is another word for back-stabber?
Pronunciation: [bˈakstˈabə] (IPA) 
The term "back-stabber" refers to an individual who engages in deception or betrayal towards someone they supposedly support or care about. There are several synonyms for this term including traitor, turncoat, betrayer, defector, double-crosser, and renegade. Each of these words carries its own nuance, but they all highlight a breach of trust and loyalty. A traitor is someone who betrays their country or social group, a turncoat is someone who changes sides, a betrayer is someone who violates a confidence, a defector is someone who abandons their allegiance, a double-crosser is someone who deceives someone else who trusts them, and a renegade is someone who deserts a cause, group, or principles.
