Additional deemsters , full-time or part-time , may now be appointed ; the present full-time additional deemster previously held the office of Deputy Deemster , and additional part-time deemsters ( previously called ` Acting Deemsters ' ) are appointed from time to time to hear a particular case , . Additional deemsters , full-time or part-time , may now be appointed ; the present full-time additional deemster previously held the office of Deputy Deemster , and additional part-time deemsters ( previously called ` Acting Deemsters ' ) are appointed from time to time to hear a particular case .