
1. Communitas: almost immediately in ruminating on "a shared experience of the Spirit", my mind linked it to a missional term I have heard Alan Hirsch talk a lot about: communitas and liminality. I'll let Alan talk toward this:
"I have come to believe that communitas is thoroughly biblical and is inextricably linked to Apostolic Genius (the latent potency that energizes world-changing Jesus movements). When we survey Scripture with liminality and communitas in mind we must conclude that the theologically most fertile sections where in those times of extremity, when people were well out of their comfort zones. The main clusters of revelation seem to come in times of liminality (e.g. Patriarchs, the Torah, the Prophets, Jesus, Paul, John, etc.) and most of the miracles in the Bible are recorded in situations of liminality. (e.g. Exodus, Exile, the Gospels, and Acts) And when we consider the stories that have inspired the people of God throughout the ages and we find that they are stories involving adventures of the spirit in the context of challenge. In fact that is exactly why they inspire (e.g. Heb.11.) Take Abram for instance, who with his entire extended family (estimated to be about 70 people and their belongings), is called by God to leave house and home and all that is familiar to undertake a very risky journey to a land that at that stage remained a mere promise by an invisible God. And when we look at the various experiences they have along the way, stories that have shaped all subsequent faith (e.g. the offering of Isaac), they are not safe little bedtime stories. Rather they call us to a dangerous form of faithfulness that echoes the faithfulness of Abraham (Gal.3:15ff, Heb.11:9-13.) Or when we explore the profoundly liminal Exodus experience we find that this very tricky journey indelibly shaped the people of God, and continues to do so to this very day. It was also the context of the substantial revelation of God in his covenant with his people. The same can be said of the exile into Babylon many centuries later-this was an extreme situation which changed the whole way Israel related to her God, and still does. The prophets spoke the Word of God into such contexts of extremity. And the fact it was precisely when the people of God settled down and 'forgot YHWH' (Dt.4:23-31) that they had be spiritually disturbed once again by the prophets. To awaken the people to their lost calling, the Prophets recalled the dangerous memories about fires on the mountain and pursuing armies and a God who lovingly redeems a people to Himself and enters into a sacred and eternal covenant with them. This sounds pretty liminal to me. Consider the lives and ministries of Samuel, Elijah, Samson, David and his band, and ask what conditions they encountered and we come up with the consistent themes of liminality and communitas. And when we come to the New Testament we need to look only to the life of Jesus, who had nowhere to rest or lay his head, and who discipled his followers on-the-road in the real dangerous conditions of a occupied land and against a hostile and dodgy religious elite. So much so, that discipleship ala Jesus looks awfully like those risky initiation rites that the African kids have to go through. It was both costly ('deny yourself and follow Me') and dangerous ('if they hated me, they will hate you too') but it came with the territory of discipleship. But to find these themes in abundance, look at the life of Paul. He describes it pretty vividly for us in 2 Corinthians. Whippings, beatings, imprisonment, and shipwrecks can hardly be called 'safe, secure, comfortable and convenient' and yet through these experiences he and his apostolic band totally realign the course of history around the Gospel of Jesus Christ. The Book of Acts is so brimful with communitas and liminality that it reads like a rollicking adventure story."
2. It's not all about me: a shared experience means that quite possibly not all of the people will feel all of the same thing, at the same time, every time. I take it to mean that we will notice and share in an experience of the Spirit moving in our midst, but one time I may be receiving something special and feeling an overwhelming Presence, but another time, I may need to help midwife someone else's receiving and walk with them through that, while not being particularly overwhelmed myself. And sometimes, I get to watch what God is doing with others and watch others helping and sit back and bless and enjoy the experience from a distance. My point being, it may not (and if we understand God as infinitely creative then probably won't) be the same of look the same every time for every one...but just because I didn't get my 'Holy-Spirit-Experience-on' this past week, doesn't mean that we didn't have a shared experience of the Spirit.
3. Casting Fire on the Earth: too often I believe we only think of a "shared experience of the Spirit" as some sort of 'group bliss-out' experience. Now, there should be plenty of that, because I can personally attest to having tasted those brief moments of bliss. But perhaps I myself (and perhaps a collective "we") have limited my understanding of this shared experience of the Spirit, and limited my own understanding of what the Spirit may be up to. In scripture, surely we see the symbols and metaphors of the Spirit as a dove and as water washing through and bringing life to wilderness...but equally the Spirit is symbolized with fire and storm. In fact, Jesus said that he came to cast fire on the earth...the refining fire of the Spirit, which can and is a shared experience of working out our faith in fear and trembling. An erstwhile student of Jesus in the 1st century basically put it this way: I want to have the shared experience of Jesus' suffering, along with the shared experience of the power of the resurrection.

4. Expansive/Wholistic Spiritual Formation: a shared experience, to my thinking, is always linked to formation. Formation being quite simply, activities or experiences that forms us as people, communally, relationally and individually. The direction I move toward in this is wholistic; since the Holy Spirit uses everything we experience to form us toward Christ, our best and our worst, the felt Presence and Absence of God, our easiest and our most difficult seasons. We need to broach the deeper aspects with perspectives from our current reality in Christ and the inaugurated eschatological reality of His Reign, both ‘now’ and ‘not yet’; too often the approach of the Church has been in either/or categories, not seeking to understand the tension inherent in our present reality. When the work of the Spirit concerning formation is neglected with respect to the 'now-and-not-yet' of the Reign of God, we tend to want to break the tension and either become gloriously myopic in the ‘now’ or ride off chasing after the ‘not yet’. Those who would follow the Spirit move toward the essence of the musterion of the gospel of the Kingdom of God in Christ Jesus, and we embrace the tension and cruciform-shape to our formation and discipleship lived-out in our present reality as the people of God in Christ Jesus and as Spirit-empowered catalysts of the in-breaking Kingdom who journey through this present age as wounded healers. Peter Crafts Hodgson speaks of it this way:
“What God “does” in history is…to shape a multifaceted transformative praxis. God does this by giving, disclosing, engendering, in some sense being, the normative shape, the paradigm of such a praxis…I shall call it the “Christ-gestalt,” by which I mean what is for Christians the definitive shape of God in history. If we wish to ask how God is active in this, my answer is that the Christ-gestalt is engendered by the Wisdom of God, which is a mode of God’s spiritual presence in the world. God shapes spiritually and ethically, by indwelling, moving, empowering, instructing, inspiring human individuals and communities, and perhaps other forms of life as well…The Christ-gestalt is a shape or structure of incarnate praxis, the praxis of redemptive love and reconciliatory emancipation.”
All of these thoughts are coming together with respect to what God is calling into in Pittsburgh...I'm stoked to see how God plays this out in our context...