'Oath' in the Bible

But Abram answered the king of Sodom, "I have made an oath to the LORD God Most High, Creator of heaven and earth,

Therefore swear an oath here by God that you won't deal falsely with me, my sons, or my descendants. Just as I've dealt graciously with you, won't you do so with me and with the land in which you live as a foreigner?"

Therefore that place was called Beer-sheba, because the two of them swore an oath.

and said, "I have taken an oath to swear by myself," declares the LORD, "that since you have carried this out and have not withheld your only unique son,

So Abraham instructed his servant, who was the oldest member of his household and in charge of everything he owned, "Make this solemn oath to me

If the woman isn't willing to follow you, then you'll be free from this oath to me. Just don't take my son back there!"

So the servant made a solemn oath to his master Abraham regarding this matter.

My master made me swear this oath: "You are not to select a wife for my son from among the daughters of the Canaanites in this land where I live.

Only then will you be released from fulfilling my oath. However, when you come to my family, if they don't give her to you, you'll be released from fulfilling my oath.'

But Jacob insisted, "Swear it by an oath right now." So he swore an oath to him and sold his birthright to Jacob.

So Jacob made an oath by his father's Fear, offered sacrifices there on the mountain, and called on his relatives to eat some food. So they ate the food and spent the night on the mountain.

Later, Joseph told his brothers, "I'm going to die soon, but God will certainly provide for you and bring you up from this land to the land that he promised with an oath to give to Abraham, Isaac, and Jacob."