Nikon the Metanoeite

Nikon the "Metanoite" (Greek: Νίκων ὁ Μετανοεῖτε, Nikon ho Metanoeite (Nikon "Repent!" ); born circa 930, died 26 November, 998) was a Byzantine monk, itinerant preacher, and saint in the Eastern Orthodox Church. Nikon is best understood, according to historian Andrew Louth, as the heroic subject of his Life, a hagiography of the saint written after his death by a successor abbot of his monastery.

Life focused on Nikon's mission to re-Christianize sections of the Byzantine Empire that had been lost in the early Muslim conquests, particularly the Emirate of Crete that existed from the late 820s to Byzantine reconquest in 961. Life describes Nikon's work on Crete and the central Greek mainland, telling of miracles he performed during and after his life. Nikon himself is represented as a missionary monk in the biography, one who was constantly preaching rather than constantly praying.