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Concluding the major layout of the differences between the Institutional Church and the Missional Church is the discussion of the inherent natural paths of the individual structures. That is to say, let’s look at the way each church structure goes about its business, which is dictated by its structure.
As a primarily centralized structure and primarily attractional in nature, the Institutional Church is forced to operate in a centrifugal fashion. In other words, the church gathered in the facility is the way the church thinks of itself as the church. Therefore, when it disperses, its chief goal is always to come back to the center. This is also why the Institutional church seeks to have as many opportunities to gather as it possibly can. When it is not succeeding in gathering and the numbers of those gathered decline, it feels that it is failing and attempts to be more attractive to increase the number of those gathered.

Institutional Church
As the Institutional Church disperses, the individuals frequently take the church’s barriers with them and stay separated from the world around them until they can get back to the gathering. When they do engage those who are outside of the church structure, the typical engagement is to simply invite the person to come to the centralized gathering - which I have noted is not that attractive to those already outside the structure, so it often fails.
I never will forget the time in Kentucky when some of the county’s smaller churches decided that what our community needed was an association wide tent revival. They loved it. All the local gatherings joining for one big central gathering. The fact that it brought back memories of their heyday, complete with numerous joint choir specials, old time Gospel hymns and a screaming preacher didn’t hurt their enthusiasm, either.
But that’s not the story. The real story was when the Director of Missions (the head of our local Baptist association of churches, for those non-Baptists out there), a local Minister of Music and I were playing golf on Thursday (my day out of the office at the time). We ran across a young man who was playing alone and picked him up as part of our group. Turned out that he was a newly imported Assistant Manager at our local Wal-Mart. He was from Ohio. After a couple of holes, I asked him where he worked and he told me and then reciprocated by asking us where we worked. When he found out that we were ministers, he kind of raised an eyebrow and started watching us a little differently. As we drew close to the parting of the ways, just a couple of holes later, our DOM decided that he didn’t want to let the opportunity pass, so he told our new friend about the big tent revival we were having and invited him to come out the next week, if he could make it at all. “You’ll hear some good sangin’ and some good preechin’. Y’ought to come on out.”
At this, my heart sank, and the look on this young man’s face told the whole story. Not only would he be avoiding that tent like the plague, he’d be avoiding us on the golf course as well. I looked him up in the store and had a couple of golf conversations with him, trying to reestablish that connection on a more common ground. I even played with him again during the next year, but I just couldn’t get past the damage done on the 8th green (we were playing the front nine last, for you golfers out there).
In contrast to this, the Missional Church considers itself the church even when it is reduced in number to the individual. This is the primary concept behind trying to mobilize every individual and the great barrier to transitioning from Institutional to Missional. As the Institutional Church thinks of itself as the church when it is gathered it thinks of itself as tied to its location and the times that it gathers. The individuals of the Missional Church would think of themselves as the church (incarnational) at all times and therefore, at all places.

Missional Church
This brings the church to thinking of itself as existing primarily among society which facilitates engagements with what Bob Roberts calls the “domains” of society. Examples of domains are: Medical, the Arts, Politics, Education, Infrastructure, Social Work, etc. Within all of these domains are infinite numbers of sub-domains that are more specific, such as Pediatrics and Geriatrics being part of the Medical domain. They also cross over to the Social Work domain to some degree (more so in Vietnam where indigent elderly are housed in the same facility as orphans).
The upshot of this is that the Gospel is spread among relationships that exist as natural consequences when the Missional individual perceives himself/herself as the church wherever and whenever they are. The nurse is a missionary to her patients, patient’s families, fellow nurses, doctors and even the odd Hospital Administrator. In this way, the church exists in society and can become a change agent, much more easily than the church that seeks to woo uninterested and disconnected people from afar.
The gathering of the Missional church, then, is seen by its members as a centripetal force. As they exist primarily across the infrastructure of society, they are periodically drawn together for corporate worship, fellowship, larger service projects, discipleship to some degree and even evangelism.
Because the Missional Church is not driven to build the centralized gathering, it is comfortable gathering in various places and times as well as in gathering in a variety of sizes: two or three for accountability, 6-12 for a home group Bible Study, several home groups for a larger project, etc.
At every level, the barriers to the unchurched are smaller than at the next largest level simply because of size. Therefore, as people come in contact with the individual and have multiple conversations that are bent toward the Gospel, the Missional Church, though not primarily attractional, becomes more attractive at various points.
The end of all of this is not that the Missional Church does so many different things than the Institutional Church, but that it does similar things with a different mindset, and, therefore, does them differently. It also does them more effectively.
To synopsize, the Institutional Church meets as often as it can with the goal of increasing the number of its participants in the centralized meeting. When it goes out, it has the goal of returning with more participants. Our society doesn’t really want to particpate in this function and so the Institutional church is in decline.
The Missional Church is driven to meet by the draw of the Holy Spirit toward other believers, but sees its primary task as the relationship with those around each individual. Their sphere of influence is used by God to draw the unchurched in to Himself and then the church, using the individual’s sphere of influence.