Refers to a male sponsor at a Christian baptism or confirmation; also used more broadly for a mentor or patron in a non-religious context.
彼は私の洗礼の教父です。
He is my godfather from my baptism.
彼は若
Church Father
Specifically refers to the early Christian theologians and writers whose works are considered foundational to Christian doctrine.
アウグスティヌスは重要な教父の一人です。
Augustine is one of the important Church Fathers.
He is like a godfather to young artists.
From 教 (teaching, religion) + 父 (father). The term is used in Christian contexts to translate 'godfather' and 'Church Father'.