Characterization of Emily in Prose Analysis

Read the following passage and answer the question that follows:

In the novel, Emily is portrayed as a quiet, introspective girl who often observes her surroundings more than she participates in them. Her classmates view her as enigmatic, frequently whispering about her peculiar habits of sitting alone in a corner during lunch and sketching in her notebook instead of socializing. However, as the story unfolds, it becomes clear that these habits reflect her deep imagination and creativity. Emily’s interactions with her younger brother, who admires her artistic skills, reveal her nurturing side, showing that she possesses a warmth hidden beneath her reserved demeanor.

Based on this characterization, what does Emily's behavior suggest about her role in the narrative?