Enlightener \En*light"en*er\, n.
One who enlightens or illuminates; one who, or that which,
communicates light to the eye, or clear views to the mind.
[1913 Webster]
31 Moby Thesaurus words for "enlightener": adviser, announcer, annunciator, authority, channel, communicant, communicator, expert witness, gossipmonger, grapevine, informant, information center, information medium, informer, interviewee, monitor, mouthpiece, newsmonger, notifier, press, public relations officer, publisher, radio, reporter, source, spokesman, television, teller, tipster, tout, witness