The definition of an emissary is a person sent on a mission, especially a diplomatic mission.
A diplomat sent to a foreign country to make peace is an example of an emissary.
a person or agent sent on a specific mission
Origin of emissaryClassical Latin emissarius ; from past participle of emittere: see emit
of, or serving as, an emissary or emissaries
An agent sent on a mission to represent or advance the interests of another.
Origin of emissaryLatin ēmissārius, from ēmissus, past participle of ēmittere, to send out; see emit.