“Operator" means any person who is in charge, directs or controls a vessel, or for whose direct economic or financial benefit a vessel is being used, including the master, owner and charterer;

A person who has a beneficial interest, otherwise than by way of mortgage in a ship or share in a ship registered in the name of some person as owner, shall as well as the registered owner be subject to all pecuniary penalties imposed by this or any other enactment on the owners of ships or share therein so however that proceedings may be taken for the enforcement of any such penalties against both or either of the person and registered owner, with or without joining the other of them.