spokesman

noun

Etymology: From spoke (“past participle of speak”) + -s- + man.

One who speaks as the voice of another person or a group of people.
“One study of popular escapistic communications indicates that the recipients regarded the heroes and spokesmen as "trustworthy models and guides."”
“Libyan war planes on Sunday sank one ship and attacked a second vessel near the eastern city of Benghazi, military spokesmen for the country's internationally recognized government said on Monday.”