Saint John Chrysostom, Archbishop of Constantinople, was an important Early Church Father. He is known for his eloquence in preaching and public speaking, his denunciation of abuse of authority by both ecclesiastical and political leaders, the Divine Liturgy of St. John Chrysostom, and his ascetic sensibilities. After his death in 407 (or, according to some sources, during his life) he was given the Greek surname chrysostomos, meaning "golden mouthed", rendered in English as Chrysostom. John Chrysostom as a saint (with feast days on 16 Thout and 17 Hathor). John is known in Christianity chiefly as a preacher, theologian and liturgist. Among his homilies (commentaries), eight directed against Judaizing Christians remain controversial for their impact on the development of Christian antisemitism.

