'Oath' in the Bible

And she made an oath, and said, O Lord of armies, if you will truly take note of the sorrow of your servant, not turning away from me but keeping me in mind, and will give me a man-child, then I will give him to the Lord all the days of his life, and his hair will never be cut.

And the man Elkanah with all his family went up to make the year's offering to the Lord, and to give effect to his oath.

So I have made an oath to the family of Eli that no offering of meat or of meal which they may make will ever take away the sin of his family.

And all the people were with Saul, about twenty thousand men, and the fight was general through all the hill-country of Ephraim; but Saul made a great error that day, by putting the people under an oath, saying, Let that man be cursed who takes food before evening comes and I have given punishment to those who are against me. So the people had not a taste of food.

But Jonathan, having no knowledge of the oath his father had put on the people, stretching out the rod which was in his hand, put the end of it in the honey, and put it to his mouth; then his eyes were made bright.

Then one of the people said to him, Your father put the people under an oath, saying, Let that man be cursed who takes any food this day. And the people were feeble, needing food.

And Saul gave ear to the voice of Jonathan, and said with an oath, By the living Lord, he is not to be put to death.

But David took his oath again and said, Your father sees that I am dear to you; so he says to himself, Let Jonathan have no idea of this, for it will be a grief to him; but as the Lord is living, and as your soul is living, there is only a step between me and death.

And Jonathan again took an oath to David, because of his love for him: for David was as dear to him as his very soul.

And Jonathan said to David, Go in peace, for we two have taken an oath, in the name of the Lord, saying, The Lord will be between me and you, and between my seed and your seed for ever. Then David went away, and Jonathan went into the town.

So give me your oath by the Lord, that you will not put an end to my seed after me or let my name be cut off from my father's family.

And David gave Saul his oath. And Saul went back to his house; but David and his men went up to their safe place.

And Saul made an oath to her by the Lord, saying, By the living Lord, no punishment will come to you for this.

And David said to him, Will you take me down to this band? And he said, If you give me your oath that you will not put me to death or give me up to my master, I will take you to them.