As a group of teenagers visited a home for the elderly in Montego Bay, Jamaica, one young woman noticed a lonely looking man at the end of the room. He appeared to have little left in this world but a bed to sleep on—a bed from which he could not move because of his disability.

The teen began right away to share the story of God’s love for us and read some Bible passages to him. “As I shared with him,” she would say later, “I started to feel his eagerness to hear more.” Responding to his interest, she explained the…