Answer: reneger
AnswerCrossword Clue
RENEGERMisplayer at cards.
renegerto break a promise
renegerone who reneges (to fail to carry out a promise, also RENIG)
RENEGERBack-pedaler
RENEGEROne going back on a promise
RENEGERBridge bungler
RENEGERForgetful bridge player
RENEGEROne making a bridge error
RENEGERVillain at bridge.
RENEGERWord-breaker
RENEGERPromise breaker.
RENEGERDeceiver at cards.
RENEGERCheater.
RENEGERViolator of rules at bridge.
RENEGERPerson revoking.
RENEGEROne who goes back on a promise
RENEGERBackslider