sell down the river

backbite betray double-cross play Judas slander smear

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 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

blow the lid off bring to light crack wide open disclose divulge expose inform leak report tell

finger rat sell out snitch spill the beans squawk squeal weasel

beguile betray bluff cheat con cross deceive defraud double-deal dupe four-flush hoodwink humbug illude juggle mislead scam sell sell out split stab in the back swindle take in trick two-time

be open tell the truth

beguile break faith bunk cross deceive deliver up delude disappoint double-cross fail four-flush give away give up mislead play false rat on stab in the back surrender take in violate

guard protect

squawk

betray blab complain protest sing snitch talk tattle tattletale tell

rat on

be quiet conceal

abandon backstab be disloyal be unfaithful betray break promise commit treason cross deceive double-cross finger go back on inform on play Judas sell out trick turn in turn informer turn traitor