What is the way to return to the fiancé after the engagement was broken, the jewelry was sold, and he was expelled from the house by the family, knowing that the desire to return still exists?

If the suitor is religious, of good character, and competent, try to convince your family by speaking to them or by having someone mediate to persuade them. If they are not convinced, then their obedience takes precedence, and your obedience to your parents will bring you success.