assailant

n. attacker, assaulter, aggressor

Assailant is a Swedish metal band formed in 2004 and currently on the label Dockyard 1. Their debut album Nemesis Within was released in May 2006.
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Noun
1. someone who attacks
(synonym) attacker, aggressor, assaulter
(hypernym) wrongdoer, offender
(hyponym) ambusher
(derivation) attack, assail

(n.)
One who, or that which, assails, attacks, or assaults; an assailer.
  

(a.)
Assailing; attacking.
  

n.
1.
حملہ آور , ہلے والا
2. (Law)
باني, فساد , مفسد