Also binsman. The man in charge of a bin during hop-picking.
1883. J. Y. Stratton, Hops & Hop-pickers, 31. The pickers are divided into companies, usually of ten, the chief of which is the binman, who is commonly the pole-puller.
1884. Sunday Mag., Sept., 578/2. The bin-man is alone permitted thus to go backwards and forwards.