'Valiant' in the Bible

Then they asked Elisha, "Look! We have 50 valiant men here with your servant! Please let them go out and search for your master Elijah. Perhaps the Spirit of the LORD has taken him up on a mountain or into a valley." Elisha responded, "Don't bother searching."

Naaman, the commander of the army of the king of Aram, was a great man in the opinion of his master. He was highly favored, because by him the LORD had given victory to Aram. Though he was a mighty and valiant man, he was suffering from leprosy.

Now as to the rest of Jehu's activities, including his valiant deeds, they are recorded in the Book of the Chronicles of the Kings of Israel, are they not?

Then Nebuchadnezzar sent away into exile all of Jerusalem all the captains, all the valiant soldiers, 10,000 captives, and all of the craftsmen and ironworkers. Nobody remained except the poorest people of the land.

All 7,000 of the most valiant soldiers and 1,000 of the craftsmen and ironworkers all physically fit and trained for battle were brought by the king of Babylon into exile in Babylon.