Combatant (noun)

1. A person who takes part in a battle or war.
2. A person who is involved in a fight or conflict.

Origin:

Late 16th century: from french, from combattre "to fight".

Examples:

1. The combatant was a skilled soldier who had seen many battles.
2. The combatant was a brave and determined fighter.
3. The combatant was one of many on the battlefield, fighting for their cause.
4. The combatant was determined to win the fight no matter what.
5. The combatant was a symbol of bravery and sacrifice for their country.