patriarch
noun
[ ˈpeɪtrɪɑːk ]
• the male head of a family or tribe.
• any of those biblical figures regarded as fathers of the human race, especially Abraham, Isaac, and Jacob, and their forefathers, or the sons of Jacob.
• a bishop of one of the most ancient Christian sees (Alexandria, Antioch, Constantinople, Jerusalem, and formerly Rome).
Origin:
Middle English: from Old French patriarche, via ecclesiastical Latin from Greek patriarkhēs, from patria ‘family’ + arkhēs ‘ruling’.