The term 'Gate Closer' can be summarized as a person who is responsible for closing and latching gates. The crossword solution for this term is 'LATCH', which is a device used to hold a door, gate, or window shut. A LATCH typically consists of a bar or rod that fits into a notch or slot in the frame, and is operated by a handle or lever. Gate closers are responsible for ensuring that the LATCH is properly secured, thus preventing unauthorized access.