popularity
It is a hierarchy the way the run the school
arrange
it is a rank, in the Catholic Hierarchy from Priest to Bishop etc, he could be called a Father Confessor or Reverend Father, or just Father
The king has a hierarchy over his subjects. Happy now?
In the company's hierarchy, I'm the low man on the totem pole.
Windows explorer shows the drives and folders as a hierarchy in the left pane.
yet another hierarchy of officious oracle
Echelons, ranking, scale, position...
Yes, the noun 'hierarchy' is an abstract noun; a word for a series in which each element is graded or ranked; a categorization of a group of people according to ability or status; a group of persons having authority, etc.
The likely word is "hierarchy" (a system of levels, as of authority).
Hier is a word in French. If you are looking for an English word, chances are you misspelled heir. Hier can also be a prefix, as in the word hierarchy.
Yet Another Hierarchy of Officious Oracle (YAHOO)