(noun) A person who is actively engaged in battle, conflict or warfare; a soldier or combatant.
"I'm a warrior for the middle class."
"Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win."
"I'm a strong person. I'm a warrior and I know what is inside of me."
"The wise warrior avoids the battle."
"He who conquers himself is the mightiest warrior."