Answer: whiner

AnswerCrossword Clue
WHINERQuerimonious child
whinerone that whines (to whimper (to cry plaintively))
whinerwhining sound or complaint
whinerto utter (with) a low, nasal complaining sound
WHINERBellyaching sort
WHINERPoor loser, often
WHINERCrybaby
WHINERSniveling sort
WHINERSpoiled child, perhaps
WHINERBeef provider?
WHINERChild as "stubborn as a mewl"
WHINERUnmanly complainer.
WHINERComplaining sort
WHINERPuling person
WHINERComplainer
WHINERConstant complainer
WHINERKvetch