noun

• (Christianity) The highest form of bishop, in the ancient world having authority over other bishops in the province but now generally as an honorary title; in Roman Catholicism, considered a bishop second only to the Pope in rank.
• In Biblical contexts, a male leader of a family, tribe or ethnic group, especially one of the twelve sons of Jacob (considered to have created the twelve tribes of Israel) or (in plural) Abraham, Isaac and Jacob.
• A founder of a political or religious movement, an organization or an enterprise.
• An old leader of a village or community.
• The male progenitor of a genetic or tribal line, or of a clan or extended family.
• The male head of a household or nuclear family.