This fact that this passage is from the perspective of an unreliable narrator is supported by the fact that nobody believes the narrator and at times she barely believes herself.
When she asks Agnes, it is clear that Agnes believes the narrator was dreaming or is lying. The narrator then second guesses herself and tries to justify the vision she saw as some friend of the servants. She decides not to ask anyone else (in case they also think she is making it up), which leads the reader to think that she might not be entirely reliable.
The one that represent tradition in the face of change would be : Nathan.
Throughout the face of changes, nathan is the one that still held traditional value from all the character above.
He still insist on working hard on the land and really dissapointed when none of his children want to follow his footsteps.
Based on Satrapi's graphic novel about her life is pre and post- revolutionary Iran and then in Europe. The film traces growth from child rebellious, punk- loving teenager in Iran. In the background are growing tensions of the political climate in Iran in the 70's and 80's, with members of her liberal- leaning family detained and then executed, and the background of the disastrous Iran/Iraq war.