envoy

noun

1. a diplomat having less authority than an ambassador

   noun.person

   Synonyms envoy extraordinary minister plenipotentiary

   Source: WordNet 3.0

2. someone sent on a mission to represent the interests of someone else

   noun.person

   Synonyms emissary

   Source: WordNet 3.0

3. a brief stanza concluding certain forms of poetry

   noun.communication

   Synonyms envoi

   Source: WordNet 3.0

4. One dispatched upon an errand or mission; a messenger; esp., a person deputed by a sovereign or a government to negotiate a treaty, or transact other business, with a foreign sovereign or government; a minister accredited to a foreign government. An envoy's rank is below that of an ambassador.

   noun

   Source: webster1913