batterer

noun3

1. •
   One who batters.

   • "If you've been assaulted and battered," said the Mayor, "we shall have to arrest the assaulters and batterers, as well." — 1918
2. •
   One who batters their spouse: one who commits domestic violence.
3. •
   One who applies batter.

   • "This is serious," replied the potential fish batterer. — 1987