In Manichaeism
Persian and Parthian-speaking Manichaeans used the name of Mithra current in their time (Mihryazd, q.e. Mithra-yazata) for two different Manichaean angels.
- The first, called Mihryazd by the Persians, was the "The Living Spirit" (Aramaic rūḥā ḥayyā), a savior-figure who rescues the "First Man" from the demonic Darkness into which he had plunged.
- The second, known as Mihr or Mihr yazd among the Parthians, is "The Messenger" (Aramaic īzgaddā), likewise a savior figure, but one concerned with setting up the structures to liberate the Light lost when the First Man had been defeated.
German academic Werner Sundermann has asserted that the Manicheans adopted the name Mithra to designate one of their own deities. Sundermann determined that the Zoroastrian Mithra, which in Middle Persian is Mihr (in Russian "Mir" = world), is not a variant of the Parthian and Sogdian Mytr or Mytrg; though sharing linguistic roots with the name Mithra, those names denote Maitreya.
In Parthian and Sogdian however Mihr was taken as the sun and consequently identified as the Third Messenger. This Third Messenger was the helper and redeemer of mankind, and identified with another Zoroastrian divinity Narisaf. Citing Boyce, Sundermann remarks, "It was among the Parthian Manicheans that Mithra as a sun god surpassed the importance of Narisaf as the common Iranian image of the Third Messenger; among the Parthians the dominance of Mithra was such that his identification with the Third Messenger led to cultic emphasis on the Mithraic traits in the Manichaean god."
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