'Pledge' in the Bible

Then he asked, "What pledge do you want me to give you?"

Take the garment of anyone who puts up collateral for a stranger; hold it in pledge if he does it for an unfamiliar woman.

Take the coat of anyone who puts up security for a stranger; hold it in pledge if he cosigns for an immoral woman.

doesn't oppress anyone, doesn't take possession of a debtor's pledge, or doesn't steal, but instead shares his food with the hungry, gives clothes to those who are naked,

Physical exercise is of limited value, but Godliness is very dear, a pledge of life, both there and here.