spellmaster

noun2

1. •
   An official in charge of running a spelling bee.

   • The spellmaster was Beaumont superintendent Maureen Latham, who who read the words and used them in sentences for the contestants. — 2014
2. •
   An expert or consummate spellcaster.

   • The spellmasters control powerful forces which we can use in the assault on the monster when it reaches Homeground. — 1967