Sentence:  ... Sathan the <WSD>workmaster</WSD> of all mischeef being greved that his own kingdome draweth to an end ... like a slie Serpent setteth snares and pitfalles innumerable, to intrap men and bring them to destruction by policie ... 
Meaning of the word marked with <WSD> tags:  Master workman; overseer; employer of workmen.