'Body guards' in the Bible

Benaiah the son of Jehoiada was [head] over both the Cherethites and Pelethites [the king’s bodyguards]; and David’s sons were chief [confidential] advisers (officials) [to the king].

All of David’s servants passed on beside him, and all the Cherethites, Pelethites and the Gittites, six hundred men who had come with him from Gath, passed on before the king.

So Joab’s men went after him, along with [David’s bodyguards] the Cherethites and Pelethites and all the warriors; they went out from Jerusalem to pursue Sheba the son of Bichri.

Now Joab was [commander] over the entire army of Israel; Benaiah the son of Jehoiada was [commander] over the Cherethites and Pelethites [the king’s bodyguards];