1) Act of aiding an enemy 2) Act of dishonor 3) American memoir 4) American romance novel 5) An act of deliberate betrayal 6) Breach of trust 7) British play 8) Deception 9) Del Rey book 10) Dishonesty 11) Double-cross 12) Knavery 13) Perfidy 14) Play by Harold Pinter 15) Sell-out 16) Stab in the back 1) Deceit 2) Doublecross 3) Infidelity 4) Perfidy 5) Sedition 6) Sellout 7) Treachery 8) Treason 9) Unfaithfulness 10) Violation 
Betrayal is the breaking or violation of a presumptive contract, trust, or confidence that produces moral and psychological conflict within a relationship amongst individuals, between organizations or between individuals and organizations. Often betrayal is the act of supporting a rival group, or it is a complete break from previously decided upon...[The Following] ==Summary== Ryan and Claire discuss what happened on the day Ryan was told Claire died. Ryan expresses his disbelief that Claire is actually there and Claire expresses her desire to have Joe dead. Joe and Emma watch Kingston Tanner, a pastor, in an interview with Carrie where he calls Joe out for being the anti-Christ. Emma ...[book] Betrayal is a 1999 book by reporter Bill Gertz arguing that: ...
• (n.) The act or the result of betraying.
Be·tray'al noun The act or the result of betraying. 
[n] - the quality of aiding an enemy
noun the quality of aiding an enemy