I know the name of the old friend who betrayed him for the reward money.
How can you do that if you know you will be personally judged, skewered, betrayed?
“He betrayed us,” explained one reporter who lost his job as part of the closure of the News of the World.
late 13c., bitrayen "mislead, deceive, betray," from be- + obsolete Middle English tray, from Old French traine "betrayal, deception, deceit," from trair (Modern French trahir) "betray, deceive," from Latin tradere "hand over," from trans- "across" (see trans-) + dare "to give" (see date (n.1)). Related: Betrayed; betraying.