The third is related to personnel and students of the University, including students, the dorm is not. The parents and siblings of friends or someone yotti incoming activities in University.
Outsiders with relevant staff and students of the university. This includes students who did not study Latin large dorm parents, siblings and friends. Or individuals who have activities on campus.
The outsiders are associated with the staff and students of the University. Which includes students who do not stay dormitory, father, mother, ญษติ, relatives and friends. Or individuals to act in the University.