'Oath' in the Bible

Then said they, We will restore them, and will require nothing of them; so will we do as thou sayest. Then I called the priests, and took an oath of them, that they should do according to this promise.

So I called the priests and made them take an oath to fulfill this promise. I also shook my robes, and said, "May God shake out every man from his house and his possessions who does not keep this promise. May he be emptied out and shaken just like this." All the assembly said, "Amen!" and praised the LORD. And the people kept their promise.

For many in Judah were bound by oath to him, since he was a son-in-law of Shecaniah son of Arah, and his son Jehohanan had married the daughter of Meshullam son of Berechiah.

They clave to their brethren, their nobles, and entered into a curse, and into an oath, to walk in God's law, which was given by Moses the servant of God, and to observe and do all the commandments of the LORD our Lord, and his judgments and his statutes;

I rebuked them, cursed them, beat some of their men, and pulled out their hair. I forced them to take an oath before God and said: “You must not give your daughters in marriage to their sons or take their daughters as wives for your sons or yourselves!