Mahabharata 13.33.14

पितॄणां देवतानां च मनुष्योरगरक्षसाम्पुरोहिता महाभागा ब्राह्मणा वै नराधिप

pitṝṇāṃ devatānāṃ ca manuṣyoragarakṣasāmpurohitā mahābhāgā brāhmaṇā vai narādhipa

Our plain-language meaning of this verse is waiting for scholar review.