We recently sat down with Jonathan Leeman — editorial director for 9Marks, elder at Capitol Hill Baptist Church in Washington, D.C., and author of numerous books, including Church Membership: How the World Knows Who Represents Jesus and Church Discipline: How the Church Protects the Name of Jesus — to ask him "Why is church membership important for congregations, not just for congregants?" In other words, how does church membership honor the church, rather than obligate or privilege the individual Christian?