Answer: namecaller

AnswerCrossword Clue
NAMECALLERNasty campaigner
NAMECALLERAbusive campaigner, perhaps
NAMECALLERVerbal abuser
NAMECALLERPlayground punk, perhaps
NAMECALLEROne whose words will never hurt you?
NAMECALLERMudslinging sort
NAMECALLEROne who resorts to insults during a debate
NAMECALLERHe won't break your bones
NAMECALLEROne hurling insults
NAMECALLERPlayground bully, perhaps
NAMECALLERVerbal bully