'Pledged' in the Bible

For your servant is pledged as surety for the boy by my father, saying, If I do not bring him to you, then I shall be culpable to my father forever.

And all the officials and mighty warriors, and also all the sons of King David, {pledged allegiance to} King Solomon.

{They pledged themselves} to put away their wives, and their guilt offering was a ram of the flock for their guilt.

There were also those saying, "We have pledged our fields and our vineyards and our houses so that we can get grain in the famine."

My child, if you have pledged to your neighbor, [if] you have bound {yourself} to the stranger,