As he awaited his baptism in Togo’s Mono River, Kossi stooped to pick up a worn wooden carving. His family had worshiped the object for generations. Now they watched as he tossed the grotesque figure into a fire prepared for the occasion. No longer would their choicest chickens be sacrificed to this god.

In the West, most Christians think of idols as metaphors for what they put in place of God. In Togo, West Africa, idols represent literal gods that must be appeased with sacrifice. Idol burning and baptism make a courageous statement about a new believer’s allegiance to the one…