whis·tle-blow·er /-ˌblo(ə)r/
  whistle-blower
       n : an informant who exposes wrongdoing within an organization
           in the hope of stopping it; "the law gives little
           protection to whistleblowers who feel the public has a
           right to know what is going on"; "the whistleblower was
           fired for exposing the conditions in mental hospitals"
           [syn: whistle blower, whistleblower]
  whistleblower
       n : an informant who exposes wrongdoing within an organization
           in the hope of stopping it; "the law gives little
           protection to whistleblowers who feel the public has a
           right to know what is going on"; "the whistleblower was
           fired for exposing the conditions in mental hospitals"
           [syn: whistle blower, whistle-blower]