deliver up

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 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

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

guard protect

abandon capitulate cede commit concede give in hand over leave quit relinquish renounce submit succumb waive yield

consign entrust fall fold knuckle

buckle under cave in cry uncle eat crow eat humble pie go along with go down go under knuckle under let go pack it in part with play dead put up white flag roll over throw in the towel toss it in

come continue defend fight hold keep refuse reject retain win

conquer surpass