A doctor who didn't believe in any of this
André Luiz, narrator and central character of Nosso Lar, is presented as a Brazilian doctor from Rio de Janeiro who lived the way a lot of people live: focused on work, skeptical about religion, and convinced that life ends when the heart stops. According to Spiritist doctrine, he is the spirit who supposedly dictated the entire book to Chico Xavier, in a process called psychography.
Before falling ill, he is described as someone who treated the body like a machine and the soul as a subject for people with time to spare. This frank disbelief matters to the story because it is exactly what will collide with what he finds on the other side: an entire organization that presupposes the very thing he never took seriously.
The book uses this contrast as the engine of the whole narrative. The more materialistic the character was in life, the bigger the shock of reorganizing his own mind after death, and this process of relearning is what Nosso Lar follows, chapter by chapter.
