Sentence:  Before that 'e <WSD>footpadded</WSD> round Covent Garden with a crew o' other masterless soldiers an' suchlike, calling 'imself "Captain Gun", as nasty a bill o' goods as ever slit your pocket or cut your throat,' Pope added, with loathing for the many thousands of defeated men who had limped home to live off the city streets which, by right and custom already belonged to established families of beggars and pickpockets, dog snatchers and cloak snitchers. 
Meaning of the word marked with <WSD> tags:  To rob travellers on the road.