'Sworn' in the Bible

For there were many in Judah sworn unto him, because he was the son in law of Shechaniah the son of Arah; and his son Johanan had taken the daughter of Meshullam the son of Berechiah.

And gavest them bread from heaven for their hunger, and broughtest forth water for them out of the rock for their thirst, and promisedst them that they should go in to possess the land which thou hadst sworn to give them.

join with their noble brothers and commit themselves with a sworn oath to follow the law of God given through God’s servant Moses and to carefully obey all the commands, ordinances, and statutes of Yahweh our Lord.