high priestess
From Longman Dictionary of Contemporary Englishhigh priestessˌhigh ˈpriestess noun [countable] 1 informal a woman who is famous for being the best at a type of art, music etc, and whose ideas or work change the way that other people think about and make art, music etc2 the most important priestess in some religionsExamples from the Corpushigh priestess• Even Rei Kawakubo of Comme des Garcons, high priestess of the black fashion statement, is designing in color.• We have to rescue our high priestess Laura and overthrow the system.