In this sentence, "he” is a:

reflexive pronoun.
reciprocal pronoun.
subjective pronoun.
possessive pronoun.

Which best explains how this excerpt creates suspense it develops the plot using dialogue instead of description. it explains that the fishermen have found two graves on the island. it shows that manjiro is a character who asks a lot of questions. it includes a question that the reader will want to know the answer to.