間あいだに立たつ

expression, godan verb (-tsu)

mediate; intervene; stand between

Used when someone positions themselves between two parties to facilitate communication, resolve a dispute, or act as a go-between. Often implies a neutral or helpful role.

• 彼かれは二人ふたりの喧けん嘩かの間あいだに立たって、仲なか直なおりさせた。

  He stood between the two quarreling people and helped them make up.

• 交こう渉しょうでは、弁べん護ご士しが間あいだに立たって話はなしを進すすめた。

  In the negotiations, the lawyer mediated and moved the discussion forward.