@newmoonnewmoon,
They can live by whatever standards and beliefs they want, I draw the line at door to door proselytizing.
The last one who came by got to nearly suffocate as I smoked one cigarette after another as they stood in my doorway, carefully flicking the ashes at their feet and blew the smoke right at them.
(Okay, so I wasn't that careful and some ashes landed on their footwear)
So, go about and do what your faith dictates, just don't be surprised if there isn't always a warm welcome.