Answer: assailer

AnswerCrossword Clue
ASSAILERAttacker
ASSAILEROne casting aspersions
ASSAILERAttacker.
ASSAILERAggressive one
ASSAILEROne on the attack
ASSAILERMugger
assailerto attack violently
assailerone who attacks (to assault (to attack))