'Mighty men' in the Bible

and David heareth, and sendeth Joab, and all the host -- the mighty men.

and he stoneth David with stones, and all the servants of king David, and all the people, and all the mighty men on his right and on his left.

And the men of Joab go out after him, and the Cherethite, and the Pelethite, and all the mighty men, and they go out from Jerusalem to pursue after Sheba son of Bichri;

And after him is Eleazar son of Dodo, son of Ahohi, of the three mighty men with David; in their exposing themselves among the Philistines -- they have been gathered there to battle, and the men of Israel go up --