One of the monks attending this teaching in Śrāvastī, at Jeta’s Grove. He was one of the Buddha’s arhat disciples, a former king, renowned as foremost among those who teach monks. This spelling is attested in the present text but in other texts his name is spelled Mahākapphiṇa, Kapphiṇa, Kapphina, Kaphiṇa, Kasphiṇa, Kaṃphina, Kaphilla, or Kaphiṇḍa.