Sentence:  Here you a <WSD>muckworm</WSD> of the town might see, / At his dull desk, amid his legers stall'd, / Eat up with carking care and penurie; / Most like to carcase parch'd on gallows-tree. 
Meaning of the word marked with <WSD> tags:  Someone who gathers wealth through overwork of employees and sordid means; a miser.