Christianity refers to them as a Missionary. The Baha'i Faith refers to them as a Pioneer.
The sexual use of the
Word "missionary" may be because some primitive cultures may have had bizarre and unhealthy alternative methods, including rape; and were taught a more intimate and gentle and "civilized" method, according to an implied legend.
Missionaries are not known for promoting sex, but moderating it.
Some primitive cultures may have been wildly promiscuous and exploitable and endangered by disease from those who were aware of and eager to exploit them.
