Do you want to make a true difference in the world? Dr. Ron Sider does. He has, since before he first published Rich Christians in an Age of Hunger in. Prosperity theology is a religious belief among some Christians, who hold that financial . Roberts began recruiting "partners", wealthy donors who received exclusive conference invitations and ministry access in exchange for support. In. A rich Christian who gives away more than 10 percent, but still has much to spare. I haven't ever needed to worry about how we would pay for.