What is the importance of Mistress Robinson's cabin in the novel, The Courage of Sarah Noble?

Mistress Robinson’s cabin is the first settlement that Sarah and her father come across in the book. It’s important because it serves to show Sarah what she doesn’t want her home and family to be like. It also is where a few themes, motifs, and symbols are introduced, for example the Security Sarah feels when she puts the cloak around herself for security and Courage and the Light from the fire beckoning her in. This is also where the reader is introduced to Sarah’s fear of Indians as the children tease her about the Indians coming to hurt her.