Sentence:  He is the victim of circumstances, and their martyr. His asseverations of the facts are so frequent and so earnest, that it is impossible to dispute it. ... Everywhere confronted by implacable circumstance, what remained for the <WSD>malcontent</WSD> but to flee from his enemy, and endeavour to retrieve his broken fortunes in a new world! ... So the <WSD>malcontent</WSD> took passage for Australia, and blessed us with his presence. 
Meaning of the word marked with <WSD> tags:  a person who is not satisfied with current conditions; a discontented person, a rebel