grand viziers

Noun

grand vizier (plural grand viziers)

1. (historical) The greatest minister of a sultan, with absolute power of attorney and, in principle, dismissable only by the sultan himself.

   Synonyms:

   Vizier Azem

2. (broadly) A figure of great authority and power.
   • But the ultimate fix came from the grand vizier of New Orleans voodoo-funk, Dr John, whose mesmerising performance was as close as you'll come to witnessing a shaman summoning spirits.2012 July 24, Alfred Hickling, “SummerTyne Americana – review”, in The Guardian

   Synonyms:

   baron, big cheese, big enchilada, big gun, big kahuna, big man, big name, big noise, big shot, bigwig