(n.) One who possesses exalted rank or holds a position of honor\; especially, one who holds an ecclesiastical rank above that of a parochial priest or clergyman.

Establishment VIP baron big cheese big gun big man big name big noise big shot big wheel bigwig brass brass hat celebrity chief dignity elder eminence fat cat father figure great man high-muck-a-muck higher-up hotshot important person interests lion lords of creation luminary magnate man of mark mogul nabob name notability notable official panjandrum person of renown personage personality pillar of society power power elite ruling circle sachem somebody something star superstar the great the top top brass top people tycoon very important person worthy