Fighter
Fighter (fīt"ẽr) , noun
[Anglo-Saxon feohtere.]
1.
One who fights; a combatant; a warrior. — Shakespeare
2.
A boxer; a pugilist.
3.
A person with the determination and will to persist through great difficulty to achieve a goal; one with the courage to fight and resist an opponent, and to struggle with all one's powers.
4.
(Military) A military aircraft designed to seek out and destroy enemy aircraft; it is usually smaller and more maneuvarable than aircraft designed specifically for bombing. However, hybrid fighter-bomber aircraft that perform both functions also are used.