Although there are other characters in the story, Mr. Arcularis is the only character who gives us a clear image of who he really is. The only problem with getting an accurate grasp of Mr. Arcularis is that most of the story is a dream and we don't know how much of what he says and does we can take for face value.
It is clear that he is a philosopher and an intellect, even in his old age. He has knowledge of classical music, such as "Cavalleria Rusticana", as well as literature such as "The Odyssey". Judging by his conversation with the Matron in the beginning of the story, it is evident that Mr. Arcularis also has a witty sense of humor. His intelligence is reinforced when we learn that Mr. Arcularis attended Harvard University in his younger years.
He also has a dark mysterious aura around himself. When the news of the coffin being on board is announced, Mr. Arcularis has the point of view that "Maybe we'll be wrecked, what does it matter?" That maybe the image he wants to portray, but we learn that he too is genuinely worried about misfortune occurring on the voyage.
We learn that Mr. Arcularis is also tired of being an old man. He's tired of the repetitiveness of his life. When sitting in the smoking room, Mr. Arcularis has to close his eyes to avoid seeing the constant pattern of people walking back and forth. This repetition reminds of the rather bland routine that he lives out constantly.
Mr. Arcularis shows his fearful side when talking about his sleepwalking experiences. He was genuinely scared that something horrible was going to happen if he continued to have these late night incidents. He is fearful yet accepting of what may be to come. He knows that his days on earth are numbered and this scares him, but he is able to cope with this fact and move on.
Not only is somewhat afraid of dying but he is also afraid to fall in love. He tries to ignore his lust for Clarice, but eventually he
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