When my friends lived in Moldova, one of the poorest countries in Europe, they were overwhelmed by the welcome they received there, especially from other Christians. Once they took some clothes and provisions to a couple from their church who were very poor, yet who were fostering several children. The couple treated my friends like honored guests, giving them sweet tea and, despite their protests, something to eat. As my friends left with gifts of watermelons and other fruits and vegetables, they marveled at the hospitality they experienced.

These Christians embody the welcome that God commanded His people, the Israelites, to…