<p><strong>Noun</strong></p><ul><li>A person who is a member of a group, organization, society, etc.</li><li>A person belonging to a limited circle of persons who understand the actual facts in a situation or share private knowledge: Insiders knew that the president would veto the bill.</li><li>A person who has some special advantage or influence.</li><li>A person in possession of corporate information not generally available to the public, as a director, an accountant, or other officer or employee of a corporation.</li></ul>