In this Chapter, unless the context otherwise indicates-

"company" includes a company, external company and any other body corporate;

"contributory", in relation to a company limited by guarantee, means any person who has undertaken to contribute to the assets of the company in terms of section 52(3)(b) in the event of its being wound up and, in relation to any company which is unable to pay its debts and is being wound up by the Court or by a creditors' voluntary winding-up, includes any person who is liable to contribute to the costs, charges and expenses of the winding-up of the company.