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Well, since I had a look on the first words in the first sentence it become clear for me that the author included these sentence in order to provide a contrast to his group’s nonviolent efforts. Just because of the grammar structure of the lines, when it starts from ''The other'' we can predict that the speaker compares something with the excerpt represented above. I bet there was a previous introductory sentence that is connected  with particular movement and further we can see ''the other" that reflects contrast.<span>
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Found this on http://www.shakespeareswords.com/
 
        
        
        
I presume you have these lines in mind: 
"CALIBAN (kneeling): As I told thee before, I am subject to a tyrant, a sorcerer that by his cunning hath cheated me of the island."
The correct answer is B: He is enslaved by a tyrant. He then explains that his tyrant (Prospero) has cunningly deceived him and took his island from him. Caliban wants Trinculo and Stefano to help him murder Prospero and retrieve the island.