interlocutor

In person, Ballerini is warm, chatty, slightly gossipy — a veteran star who has retained an essential down-to-earth quality but who also knows through experience how to create a sense of emotional intimacy with an interlocutor.

His European interlocutors nodded but without much evident enthusiasm.

But a vice president is never the primary interlocutor with Europe — that was always Biden.

Then they’ve continued indirect talks with the U.S. in Oman, a sultanate on the eastern edge of the Arabian Peninsula that’s been a key interlocutor between Tehran and the West.

Zarif offered him the ambassadorship to Oman, still a strategically important post given the sultanate long serving as an interlocutor between Iran and the West.