In this Part—
“action” means an action under this Act;
“complainant” means—
(a) a shareholder or debenture holder, or a former holder of a share or debenture of a company or any of its affiliates;
(b) a director or an officer or former director or officer of a company or any of its affiliates;
(c) the Registrar; or
(d) any other person who, in the discretion of the court, is a proper person to make an application under this Part.
Derivative Actions