By the Waters of Babylon, how does the author introduce the narrative point of view?

In the first paragraph, we are given a description of the setting, as well as specific rituals. The narrator is speaking in the present tense.

In the second paragraph, the narrator immediately introduces himself. The story is narrated in the first-person, present tense.

In the first two paragraphs John introduces himself to readers and uses words like "I" and "my"."my father is a priest;I am the son of a priest."