(Archaic) A coward.
A disloyal person who betrays or deserts his cause, religion, political party, friend, etc.
A person who drifts or wanders about; vagabond
A person who goes over to the opposite side or party; traitor
The definition of a rat is a rodent with a lengthy tail, or is slang for a sneaky person.
The method used in dealing with or accomplishing:
Find another word for defector. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for defector, like: apostate, deserter, recreant, renegade, runagate, tergiversator, turncoat, rat and approach.