informant
1. [ noun ] a person who supplies information
Synonyms: source
Related terms: communicator passive_source informer whistle-blower leaker inform
2. [ noun ] someone who sees an event and reports what happened
Synonyms: witness witnesser
Related terms: perceiver speaker testifier attestant witness
Similar spelling:   inform
  informatory
  informative
  information
  informatics
  informality
  informal
  in_front
  in_for
  informally
  informer
  informed
  in_front_of
  informing
  infirmity
  inpour
  infirm
  inborn
  inboard