What was Nathan religion?

Nathan was likely a Jew, as he is described in the Bible as a prophet of God living during the time of King David and King Solomon. Judaism is the oldest monotheistic religion, originating with the ancient Hebrews. It is based on the belief in a single God, as revealed in the Hebrew Bible, also known as the Tanakh. Judaism includes a wide range of religious, cultural, and ethical beliefs and practices that have evolved over thousands of years.