Jesus send his disciples forth as sheep in the midst of wolves asking them to go from city to city and from house to house, though they should be warned they would not always be welcome.
Preaching Christ not done to isolate him in the minds of their listeners
In Scriptures people are asked to teach their children diligently and to go out to tell everybody and to reason about the importance of faith in Christ, Jeshua or Jesus Christ being the sent one from and son of God bringing people to God and to salvation..
Already in the time of Jesus excluding real followers of Christ
It is not just of this present day that real followers of God and of Christ were not liked so much and that church leaders wanted people to have in control and being considered as important persons to be spoken to by their tittle.
Christian in Christendom or in Christianity
Often a lot of people do not know to differentiate between Christendom, Christianity, religiosity and even limit religiousness to Christians, forgetting that there are many other religious groups who have all sorts of worship.