higher-up

from WordNet (r) 3.0 (2006)

higher-up
    n 1: one of greater rank or station or quality [syn: {superior},
         {higher-up}, {superordinate}] [ant: {inferior}]

from The Collaborative International Dictionary of English v.0.48

higher-up \high"er-up"\, n.
   A superior officer or official; a person having greater rank
   or station or quality than others; -- used chiefly in pl.
   [Slang]

   Syn: superior, superordinate.
        [Webster 1913 Suppl. + WordNet 1.5]