A dastūrPronunciation-needed is a Zoroastrian high priest who has authority in religious matters and ranks higher than a Mobad or Herbad. In modern usage the term dastūr refers mostly to Parsi priests in India. ...
(Pers.) a high priest (Var Phl. 'dastwar')
(from the article `Zoroastrianism`) ...designates a priest of the lower degree, who in the more important ceremonies only acts as the assistant priest. Above him is the mobed. Ranked ...
the leader of Zoroastrian gatherings, also a teacher of the traditions