One of the mysteries of the English language finally explained.
traitor, back-stabber, Judas, double-crosser
renegade, quisling, fifth columnist, double agent, collaborator, informer, mole, stool pigeon
turncoat, defector, apostate, deserter
fraternizer, colluder, false friend
informal snake in the grass, whistle-blower, grass, supergrass, rat, scab, stoolie, nose
British informal nark
North American informal fink
rare traditor, renegado
In this article we explore how to impress employers with a spot-on CV.