'Guards' in the Bible

So David commanded his personal guards, and they killed Rechab and Baanah, cut off their hands and feet, and hung up their bodies beside the pool at Hebron. They took Ish-bosheth's head and buried it in Abner's tomb at Hebron.

So David told Abishai, "Now Bichri's son Sheba is about to do more damage than did Absalom. So take my personal guards and go after them. Otherwise, he'll run to one of the fortified cities and escape from us."