Who Is The Narrator In Fahrenheit 451

I actually remember reading this book. In this book the government in this society wants to control the minds and actions of the people so that there would not be individuals, but a clan of drones. Because books are seen as vile, and all buildings are fireproofed, firemen now, rather than putting out fires, set fires with kerosene to any outlawed book they find. It’s a complete opposite book of what it kinda means. This story is told in third-person point of view and this person knows everything. The narrator in this story is not a character directly involved in the story, and can see all of the characters, their thoughts, and intentions. Story is told in the future, sometime after 2022, after the US had survived two atomic bombs. The narrator is telling the story second-hand, never having met Montag in person. So, I think that the narrator is telling the story in Montag's old age, or years after his death.
In the commencement of the passage the two naturally converses about their mundane lives, the little girl states how she’s not trepidacious of firemen unlike other people are. This shows how Montag relationship with people isn’t that great because everyone seems to be trepidacious of firemen. Later on in the passage, by the time the little girl’s presence leaves Montag’s side, he commences to question himself if he is jubilant or not. This shows that the girl’s presence is what makes him a jubilant man, without her, he’s just a man without bliss. Without the dialogue of this passage, the two characters would never have a relationship to commence