No suit shall be instituted against the Government in respect of anything done or purporting to be done under this Act, or in respect of any alleged neglect or omission to perform any duty devolving on the Government under this Act, or in respect of the exercise of, or the failure to exercise, any power conferred by this Act on the Government, nor shall any suit be instituted against a treasurer of Charitable Endowments except for divesting him of property on the ground of its not being subject to a trust for a charitable purpose, or for making him chargeable with or accountable for the loss or misapplication of any property vested in him, or the income thereof, where the loss or misapplication has been occasioned by or through his willful neglect or default.