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master (of a house, shop, etc.)
husband
sir; boss; master; governor
patron of a mistress, geisha, bar or nightclub hostess; sugar daddy
alms; almsgiving; almsgiver
お旦那様にこの件をお伝えください。
Please tell your master.
旦那さんは今お仕事中でいらっしゃいますか。
Is your husband at work now?
旦那はもうすぐ帰ります。
My husband will be home soon.