Definition of acharya:
(n) :
(historical, rare) a scholar, practitioner, professional, specialist, disciplinarian imparting knowledge.
(n) :
(historical, rare) an individual who practices or is knowledgeable on any of the prevalent disciplines of customs, learning, rituals, arts, traditions, schools etc., especially one imparting them into pupils.
(n) :
A male given name from Sanskrit commonly used in India.
(n) :
A surname originating as a patronymic.