4 Bible Verses about Pledges

This water prefigured immersion [into Christ], which now also saves you, not by removing dirt from the [physical] body, but [by serving] as an appeal [or, "pledge"] to God for a clear conscience through the raising of Jesus Christ from the dead.

Now the birth of Christ happened this way: When His mother Mary was engaged to marry Joseph, [but] before they had a sexual relationship, she was discovered to be pregnant by [the power of] the Holy Spirit. Now Joseph, her husband [to be], being a man who did what was right, and not wanting to make a public spectacle out of her, decided to break off their engagement privately.

to a virgin engaged to a man named Joseph, a descendant of King David. The virgin's name was Mary.