'Guard' in the Bible

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.

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!"