An envoy would have had many different jobs. The primary job would have been to represent the Egyptian Empire by meeting with various political leaders. Think of an envoy like an ambassador today. An ambassador is sent to represent their country and try to sway legislation to where it favors their homeland.
Two reasons can be as follow:
1) Desire to protect folk culture. People have an innate desire to protect and carry on their folk culture and adoption of new culture may interfere with that vision.
2) Fear of change or outside influences. People might have a fear that the outside culture will influence them in many undesirable ways which can prevent the adoption.
The reason to blame for adults to obtained a declining
memory during the late middle age, according to Denise Park is because of the
information being obtained by an individual in which are being build up or
overload as the individual go through his or her years.