The idea behind The Hole in Our Gospel is quite simple. It's basically the belief that being a Christian, or a follower of Jesus Christ, requires much more than just having a personal and transforming relationship with God. It also entails a public and transforming relationship with the world.
Richard Stearns (2014). “The Hole in Our Gospel Special Edition: What Does God Expect of Us? The Answer That Changed My Life and Might Just Change the World”, p.20, Thomas Nelson Inc