noun
(used especially in newspapers) a person who informs people in authority or the public that the company they work for is doing sth wrong or illegal
noun
(used especially in newspapers) a person who informs people in authority or the public that the company they work for is doing sth wrong or illegal
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005