intermediator

The company hired an intermediator to negotiate the contract with the foreign supplier.

公司聘请了一位中间人来与外国供应商谈判合同。

In the dispute, the intermediator helped both parties reach a settlement.

在纠纷中，调解者帮助双方达成了和解。

She acted as an intermediator between her two friends who had a misunderstanding.

她在两个有误会的朋友之间充当调解者。