Concept:Ferdinand is the speaker, and “this man” is the person who has threatened and subdued him.Explanation:In this extract from The Tempest, Ferdinand speaks from prison. He says the loss of his father and all his troubles feel light. He cares only about seeing Miranda once a day from his prison window. He calls Prospero “this man” because Prospero has used threats and magic to make Ferdinand a captive. Prospero is the one who has power over him and has subdued him. All other places on earth may have liberty, but Ferdinand accepts his confinement for Miranda's sake.Answer:D. Prospero