Simplify the following text for a Grade 13 native English-speaking person.
Original: Jean was formally appointed and installed as Special Envoy for Haiti for the United Nations Educational , Scientific and Cultural Organization on November 8 , 2010 , for a four-year term .
Simplified: Jean was formally appointed Special Envoy for Haiti for the United Nations Educational , Scientific and Cultural Organization on November 8 , 2010 , for a four-year term .