slaughterer

/ˈslɔtərər/
noun
  1. A person who kills animals for food, especially in a slaughterhouse.
    • My grandfather worked as a slaughterer at the local meatpacking plant.
    • The slaughterer carefully prepared the tools before starting work.
    • The slaughterer must follow strict hygiene rules.
  2. A person who kills people violently, especially in large numbers.
    • The dictator was a brutal slaughterer of his own citizens.
    • The warlord and his slaughterers terrorized the region.
    • History remembers him as a slaughterer of innocent people.