Sentence:  I had never defrauded a man of a farthing, nor called him <WSD>knave</WSD> behind his back. But now the last rag that covered my nakedness had been torn from me. I was branded a blackleg, card-sharper, and murderer. 
Meaning of the word marked with <WSD> tags:  A tricky, deceitful fellow; a dishonest person.