Who is the antagonist in homecoming by Cynthia?

In "Homecoming" by Cynthia Voigt, the primary antagonist is the character of Mrs. T. Although she is not a traditional villain, her strictness and unyielding demeanor create significant challenges for the main characters, particularly the four siblings who are trying to navigate their difficult circumstances. Her rigid adherence to rules and lack of empathy contrasts with the children's desire for freedom and connection, making her a significant obstacle in their journey.