You get the idea. Physical and mental boundaries are again important here. Some interaction with the outside world and non-believers is almost inevitable, even in the best cult environment. The outside world is out to get you. Pretty simple, really.
Uniforms are useful here to create physical and mental boundaries that neither side wish to cross.
The members MUST be taught to self-censor their thoughts and behavior at all times. I'm getting to it. Real Soon Now. Just not today. Email me if you're interested in more details.