'Guard' in the Bible

“He guards the feet of His godly (faithful) ones,But the wicked ones are silenced and perish in darkness;For a man shall not prevail by might.

Then the people of Kiriath Jearim came and took the ark of the Lord; they brought it to the house of Abinadab located on the hill. They consecrated Eleazar his son to guard the ark of the Lord.

so he told him: “My father Saul intends to kill you. Be on your guard in the morning and hide in a secret place and stay there.

Saul sent messengers to David's house to guard it and to kill him in the morning. Then David's wife Michal told him, "If you do not save yourself tonight, tomorrow you will be dead!"

Then Ahimelech answered the king and said, “And who among all your servants is as faithful as David, even the king’s son-in-law, who is captain over your guard, and is honored in your house?

And the king said unto the guard that stood about him, Turn, and slay the priests of Jehovah; because their hand also is with David, and because they knew that he fled, and did not disclose it to me. But the servants of the king would not put forth their hand to fall upon the priests of Jehovah.

David told Abner, "Are you not a man, and who is like you in Israel? Why didn't you guard your lord, the king? Indeed, a soldier came to destroy the king, your lord.

This thing that you did is not good. As the LORD lives, you deserve to die, you who didn't guard your lord, the LORD's anointed. Where is the king's spear and where is the jug of water that was at his head?"