Definify.com

Webster 1913 Edition

Noun.

One who, or that which, sends or conveys intelligence or news; a messenger.

All the intriguers in foreign politics, all the spies, and all the

intelligencers

. . . acted solely upon that principle.

Burke.

Noun.

One who sends or conveys intelligence; one who gives notice of private or distant transactions; a messenger.

A public paper; a newspaper.

intelligencer ‎(plural intelligencers)

(dated) A bringer of intelligence (news, information); a spy or informant.
- 1922, Geoffrey Montagu Cookson (transl.), The Suppliant Maidens, page 8 in Four Plays of Aeschylus.
  'Tis likely that the Princes of this land
  Have heard of us from messengers and come
  To be their own intelligencers.

a bringer of intelligence, news, information