Synonyms of the word

aggressor

• n. The person or country that first attacks or makes an aggression; that begins hostility or a quarrel; an…

assailant

• n. Someone who attacks or assails another violently, or criminally; an attacker.
• n. (figuratively, by extension) A hostile critic or opponent.
• adj. Assailing; attacking.

assaulter

• n. One who commits assault.

attacker

• n. Someone who attacks.
• n. (soccer) One of the players on a team in football (soccer) in the row nearest to the opposing team's goal,…

initiator

• n. One who initiates.
• n. (chemistry) A substance that initiates a chain reaction or polymerization.
• n. (computing) A task (in a mainframe computer) that initiates multiple jobs.
• n. (medicine) A material whose presence in the body eventually leads to cancer.

instigator

• n. A person who intentionally instigates, incites, or starts something, especially one that creates trouble.

offender

• n. One who gives or causes offense.
• n. A person who commits an offense against the law, a lawbreaker.

wrongdoer

• n. Someone who does wrong, whether morally, ethically, or in contravention of a law.