betrayer
- n one who reveals confidential information in return for money
- n a person who says one thing and does another
- A long-lost 2nd century Gospel may portray Jesus' betrayer as closer to a hero than a heel.
- He was condemned by his peers as a betrayer of his class, not to mention a "Fascist hyena.
- Writing SF, he felt like a betrayer of his higher metier like a whore, and one who was underpaid and underappreciated.