Place in society (8)
(Other definitions for echelon that I've seen before include "Ladder formation" , "Level of people in organisation" , "Rank - status" , "Leech on (anag.)" , "Bishops, say" .)
(Other definitions for position that I've seen before include "Post or place occupied" , "Stance" , "Locate" , "Put" , "Place - situation" .)