emisary

Noun

emissary (plural emissaries)

1. An agent sent on a mission to represent the interests of someone else.
   • The small group around Ch’en Tu-hsiu that had remained at headquarters hastily sent an emissary—Chang Kuo-t’ao—to Nanch’ang. Though Chang set out immediately, he did not reach Nanch’ang until July 31, the day before the rising.1958, Conrad Brandt, “A Defeat out of Victory and a Devil out of the Machine”, in Stalin's Failure in China, 1924–1927, number 31, Cambridge, Mass.: Russian Research Center, Harvard University Press...
   1. Such an agent spreading a gospel.
      • Near-synonym: missionary
2. A venous channel in the skull.
3. An underground channel by which the water of a lake escapes.