(1) A person who has purchased or who has agreed to purchase the membership; (2) A creditor or creditors of the corporation or the member who extended or continued credit to the corporation or the member in consideration of the proxy if the proxy states that it was given in consideration of such extension or continuation of credit and the name of the person extending or continuing the credit; or (3) A person who has contracted to perform services as an employee of the corporation, if the proxy is required by the contract of employment and if the proxy states that it was given in consideration of such contract of employment, the name of the employee and the period of employment contracted for.