He would have been an Assistant Master - probably at a boarding school. Mabel in NZ I have reference to someone being an 'Usher' to Mr Sutcliffe at Hipperholme. Rev Richard Sutcliffe was Master at Hipperholme Grammar School, and previously he in turn had been an 'Usher" at Heath Grammar School. So what was an 'Usher" in that context? What did he do? Was he a student with a special job, or an adult in training? Or what? Anyone know? Margaret