betray

abandon deceive forsake mislead seduce

bluff cross delude desert finger jilt knife trick

be unfaithful bite the hand that feeds you blow the whistle break faith break promise break trust break with commit treason deliver up double-cross go back on inform against inform on let down play Judas play false sell down the river sell out stab in the back take in turn in turn informer turn state's evidence walk out on

aid assist help stay

be faithful be loyal be quiet defend hide keep secret protect support

reveal

disclose evince inform manifest show sing snitch spill squeal stool tattle tell uncover unmask

blurt out dime fink on give away lay bare let slip make known rat on tell on turn in

conceal cover hide withhold

be faithful be loyal be quiet defend keep secret protect support