emissary|emissaries

他被派往邻国担任和平使者。

He was sent as an ___emissary to the neighboring country to promote peace.

国王派遣特使前往敌国商讨停战协议。

The king sent ___emissaries to the enemy country to discuss a ceasefire.

国王派了一位特使去邻国商讨贸易协议。

The king sent an ___emissary to discuss trade agreements with the neighboring country.