combatants

/K AH0 M B AE1 T AH0 N T S/
noun
  1. 1

    A person engaged in combat, often armed.

    โ€œGladiators were combatants who fought to the death to entertain the public.โ€

Source: https://en.wiktionary.org/wiki/combatant, https://en.wiktionary.org/wiki/combatants