insider
noun(in-sid-er)
a person recognized or accepted as a member of a group, category, or organization: such as
insider
noun(in-sid-er)
a person who is in a position of power or has access to confidential information
insider
noun(in-sid-er)
a person (such as an officer or director) who is in a position to have special knowledge of the affairs of or to influence the decisions of a company
insider
noun(in-sid-er)
the illegal use of information available only to insiders in order to make a profit in financial trading