The crossword solutions for the term 'Esther, Adopted Father of' is Mordecai. Mordecai was a prominent figure in the Book of Esther in the Hebrew Bible. He was a Jewish courtier living in Susa, the capital of the Achaemenid Empire, and was the uncle and adoptive father of Esther, the Queen of Persia. He is known for his loyalty to God and his efforts to save the Jewish people from destruction.