The school needed teaching materials (e.g. books, textbooks, pencils and erasers); but also basic food supplies, such as oil, salt, vinegar, vegetables, rice. All these things had to be carried in from the city. From 2001 to 2006, Zhang carried these supplies all the way up the mountain, using baskets tied to a shoulder pole he inherited from Wu the former principal of the school in the village of Heihumiao. This was the only way to make it possible for the children to attend school, and to give them the opportunity to leave the mountain one day - if they chose to. One winter day, the mountain road was too slippery to walk on. It was almost the first day of school and the children's

if the teacher carried essentials for the kids so that they can be able to attend school which role of an educator it is and explain it ​