Establishment
VIP
baron
big gun
big man
big name
bigwig
brass
brass hat
bureaucracy
celebrity
dignitary
dignity
directorate
elder
father
figure
great man
hierarchy
higher echelons
higher-ups
important person
lion
lords of creation
magnate
man of mark
management
ministry
mogul
nabob
name
notability
notable
officialdom
panjandrum
person of renown
personage
personality
pillar of society
power
power elite
prelacy
ruling circle
ruling class
ruling classes
sachem
somebody
something
the Establishment
the administration