betray

[1]	be/prove false/disloyal to , bewray , sell out , break faith with , let down , fail , inform on , (Colloq) sell down the river , (Slang) (Brit) shop
[2]	reveal , sell , disclose , divulge , impart , tell , expose , lay bare
[3]	lead astray , mislead , misguide , deceive , dupe , fool , hoodwink
[4]	cheat on , cheat , cuckold , wander
[5]	denounce , tell on , give away , rat , grass , shit , shop , snitch , stag