Emissary

Noun

 * 1) an agent sent on a mission to represent the interests of someone else
 * 2)  a venous channel in the skull

Adjectives for Emissary
paid; secret; trustworthy; discreet.

Verbs for Emissary
assign—to; dispatch—; employ—; entrust with—; interview—; send—; —announces; —carries; —communicates; —conveys; — corresponds; —furnishes; —imparts; —implies; —informs; —performs; —pries; —promotes; —relays; —reports; —represents; —scouts; —spies.

Thesaurus
Hermes, Iris, Mercury, Paul Revere, Pheidippides, ambassador, ambassadress, apostolic delegate, attache, bearer, career diplomat, carrier, chancellor, charge, commercial attache, commissar, commissary, commissionaire, commissioner, consul, consul general, consular agent, courier, delegate, diplomat, diplomatic, diplomatic agent, diplomatic courier, diplomatist, envoy, envoy extraordinary, estafette, express, foreign service officer, go-between, herald, internuncio, legate, message-bearer, messenger, military attache, minister, minister plenipotentiary, minister resident, nuncio, plenipotentiary, post, postboy, postrider, resident, runner, secretary, secretary of legation, vice-consul, vice-legate

Etymology
From emissarius: directly or via  émissaire:

Translations

 * Finnish:


 * Russian: эмиссар, посланник