Answer: giber

AnswerCrossword Clue
GIBERHe taunts
GIBERMocker.
GIBERTaunter.
GIBEROne who taunts
GIBERTeaser
GIBERTaunting one
giberto utter taunting words
giberone that gibes (to jeer (to mock))
giberderide or tease with taunting words