Who shows up unexpectedly in chapter 9 of the outsiders?

In Chapter 9 of "The Outsiders," Randy Adderson unexpectedly shows up at the hospital to talk to Ponyboy. He is a Soc who is dealing with the aftermath of the recent violence and wants to understand the situation better. Randy's visit highlights the complexities of the tensions between the Socs and the Greasers, as he expresses his feelings about the ongoing conflict and the futility of violence.