Another reason is that the first few weeks of a new convert's involvement with the church is crucial to whether they go on to be ongoing stable church members or not. If a person with a checkered sinful past becomes the victim of church gossips and does not get the support they need to be bonded into the fellowship, they end up falling away with disillusionment because the love they expected was not there. So they go back to their previous circle of friends and acquaintances where they had a closer bond.
One church I attended back in the early 90s had a specific ministry to sex workers. At first their thought was merely to do street preaching in the red light district, but the very first Saturday night they did so, one woman seemed to have an interest, but then walked away.
But that made them realize they had not actually prepared for success. They had hoped and prayed for success...but hadn't prepared for it. So, if a prostitute responded to the gospel, what were they going to do? Just pat her on the head and say, "Be sure to come to church tomorrow?" So, she was going to go back to her pimp (where else did she have to go?) and when he demanded "his money," was she going to say, "I'm a Christian now...I don't do that anymore?" Talk about having the gospel choked out by the cares of the world!
So, they went back to the pastor to talk it out. Within a week, out of the resources they already knew they had in the church, they had secured a string of confidential safe houses, rooms made available by older members who were empty nesters. They had members who were trained therapists, doctors, counselors, lawyers, cops...all willing to donate their services. They had businesspeople willing to provide jobs and job training.
That next Saturday night, they went back out. As soon as they set up the podium to start preaching, they heard a shout from down the block. It was that same woman from the previous week, running toward them. At one point, she stumbled in her stilettos, yanked them off, threw them into the street, and ran up to them in bare feet. They told her, "You new life begins right now" and took her
off the street that night.
The next Saturday, street preaching got...
interesting. The pimp had found out she had last been seen "with those street preachers" and intended to get her back. That's when the Security Ministry the church had already built came in handy.