"Show me an ____, and I'll show you a loser” (Tom Clancy) (7)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
elitist
(Other definitions for elitist that I've seen before include "One who treats certain people as superior group" , "Snob" , "one snobbishly prefers" , "Favouring a select group" , "Favouring a chosen few" .)