Warrior
Part of speech: noun
Definition: A person who is actively engaged in battle, conflict or warfare; a soldier or combatant. A person who is aggressively, courageously, or energetically involved in an activity, such as athletics.
Example sentence: With the Celtic Warrior thing, I wanted to convey a positive sense of Ireland.
Fighter
Part of speech: noun
Definition: A person who fights, a combatant.A warrior; fighting soldier.A pugnacious, competitive person.A class of fixed-wing aircraft whose primary purpose is that of shooting down other aircraft. Some of these (Fighter-Attack or Attack aircraft) also have a secondary purpose of attacking ground targets.A boxer or participant in any martial art