The Catholic Church is never going to view marriage except from the perspective of a sacrament, an unbreakable bond between one man and one woman, open to the God-given gift of children.
Despite the varying prohibitions, some Shariah banks find creative ways to make the equivalent of market interest rates by other means, such as by pegging debtor repayment rates to his or her future profits, or when a bank offers a "hibah, " or gift to those who open an account in essence a way of attracting new customers in lieu of interest accruals on savings.