While writing a Bible guide for pastors in Indonesia, a writer friend grew fascinated with that nation’s culture of togetherness. Called gotong royong—meaning “mutual assistance”—the concept is practiced in villages, where neighbors may work together to repair someone’s roof or rebuild a bridge or path. In cities too my friend said, “People always go places with someone else—to a doctor’s appointment, for example. It’s the cultural norm. So you’re never alone.”

Worldwide, believers in Jesus rejoice in knowing we also are never alone. Our constant and forever companion is the Holy Spirit, the third person of the Trinity. Far more than…