envoy
From Longman Dictionary of Contemporary Englishenvoyen‧voy /ˈenvɔɪ/ ●○○ noun [countable] REPRESENTsomeone who is sent to another country as an official representative SYN emissary The United Nations is sending a special envoy to the area.Examples from the Corpusenvoy• He also stressed that an envoy should not supplant any talks process.• The King still rules here and I am his envoy.• Charles opted, realistically, for negotiation, and sent envoys to offer a meeting at Bourges in July.• He met their envoys at Bourges.• Confrontation with the two envoys is very eye-opening.Origin envoy (1600-1700) French envoyé, past participle of envoyer “to send”