Discuss the roles of women as potrayed in the movie "The Colour purple"

In this story, there are three women with three different character. The three women are Cellie, Shug Avery, and Sofia. Cellie is potrayed as a shy and coward because she is unable to fight what people done to her, but at the end of the story, her character has change to more bold. Shug Avery is portrayed as an attractive character,and have a strong spirit, while Sofia is portrayed as a brave woman. For example, when mayor's wife, Miss Millie, ask Sofia to work with ger as a maid. When Sofia declined with the word, "Hell no", the mayor slap Sofia. When she get mad, she knoking the mayor down.