magister /ˈmæd͡ʒɪstə(ɹ)/ noun3 •Master; sir: a title used in the Middle Ages, given to a person in authority, or to one having a licence from a university to teach philosophy and the liberal arts. •The possessor of a master's degree. •The chief male celebrant of an occult ritual.If only the Magistra and Magister of the Rite are present, then just the Magister shall drink of simulate if fake (ie theatrical) blood is used. — 2009 formsmagisters