Hello. You did not inform the poem to which this question refers, which makes it impossible for it to be answered accurately. however, I will try to help you in the best possible way.
It is only possible to know who the speaker is advising with reading the poem, however, if the speaker does not quote someone during the poem, it means that he is advising the reader. It is possible to know that the speaker is giving advice if the poem presents imperative phrases, which are stages in which the speaker makes requests or gives advice. These sentences are usually ended with an exclamation mark (!).
Answer: It reveals Ahab’s commitment to his mission for revenge.
In this passage, the speaker is describing the impact that Ahab caused when meeting him for the first time. He describes his white, whalebone leg, and how he fashioned it out of a sperm whale's jaw. He also describes how there was an auger hole on the deck, upon which Ahab would steady his leg. He would stand there and look out beyond the prow for hours on end. The speaker also describes his attitude of determination and wilfullness. All of these elements contribute to showing how commited Ahab was to his mission.
Answer. books found within the Library
