By Douglas Groothuis, Ph.D., Cornerstone University and Cornerstone Theological Seminary How should a Christian understand gambling? Gambling is an activity in which someone puts up money, goods, or services on the chance of being rewarded by unknown outcomes by the gambler. I do not mean the investment of money, goods, services. By “chance,” I mean unknown outcomes not determined by the gambler, not chance in the metaphysical sense of being beyond the control or knowledge