Definition of "oyabun" []

• The Father. The absolute leader in a Yakuza clan. He has an advisor called a Saiko-komon. Besides that he has an army of advocates, accountants, secretaries and advisors. (noun)

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• "In point of fact, it is better that the leader or "oyabun" should not be a man of genius."
• "“This is correct, young kobun,” a term that means “foster child” and refers to one who has pledged allegiance to an oyabun, or foster parent within a yakuza family."
• "There, I heard Suhō ask Hosokawa, “Did you greet oyabun Noda?”"