What are the central attributes of Ruthie Joad? Does she work? Where does she work? Where in the book are these all found?

The second and younger Joad daughter. Ruthie has a fiery relationship to her brother Winfield: the two are intensely dependent upon one another and fiercely competitive. When she brags to another child that her brother has killed two men, she inadvertently puts Tom’s life in danger, forcing him to flee. The only jobs the Joads get are at the work camps. This happens at various points in the story.