Community that Pushes Us Out of Our Comfort Zone

When we picture community in the church we usually think about sitting in a safe, comfortable home with our small group laughing and hanging out together.  And that's a good thing.  We need that! But I often wonder if real community can only happen when we get off the couch and get into the lives of people and risk something for the gospel. Alan Hirsch calls this communitas--the next level of community where individuals come together in a common mission that may include suffering and opposition.  His thoughts are compelling:

What do you think?  Do you agree with Hirsch?  Can real community (communitas) happen without moving into the lives of people outside the church?