I have found that focusing on the church is a key way to get at the soundness of a ministry strategy. My foundational belief is that the church should be the center of evangelism, discipleship, meeting human needs, and ultimately, any missionary task.
Here is what I mean:
Strategy #4: Business as Mission
Missionary: Local believers know about church, but they don’t know how to be godly employers or employees. I’m going to start a business to show how a believer interacts with employees and in the “marketplace.”
Me: How will that start or build churches?
Sound church strategy: In order to set the pace for the other employees, I’ll actively be involved in a local church and when appropriate invite other employees to church and hire believers from my church who also have ministry skills. I have significant experience doing this in my current context and expect, with God’s help, I can do it cross-culturally.
Unsound church strategy: We plan on having a morning devotional time at the office each day and a weekly Bible study during the lunch hour on Thursdays. My plan is that over time, my character will influence other employees and the local churches will be strengthened through that. I expect this to create a church planting movement.
What should we do?
Ask the missionary to talk about how he as used his own business to strengthen the church in his current context. Talk about the additional difficulties of starting a business and ministry in a new culture. If he has little experience of doing this in his own context, suggest that he get a few years of experience before relocating overseas.
Because businesses are difficult to start in one’s own culture, only the most experienced missionaries with sound business plans should attempt to open a business in a new culture.
Or take a look at a 3 minute video showing the inconsistencies of that “missional” at church
See summary article here posts on unsound strategy: Humanitarian Aid, Evangelism, Business as Mission, Making Disciples, and the House Church Movement.