Sentence:  But when a King setts himself to <WSD>bandy</WSD> against the highest Court and residence of all his Regal power, he then, in the single person of a Man, fights against his own Majesty and Kingship, and then indeed sets the first hand to his own deposing. 
Meaning of the word marked with <WSD> tags:  To fight ("with" or "against" someone).