Who joins Nadira's family at the police station in Section 8: Chapter 10? What is the reaction to his presence?

Joining them at the police station, Tim is upset Uncle already went in for questioning, and while he talks behind a glass partitioned area, seemingly doing no good, Auntie tells Taslima that Tim is not family and should not be here. Auntie suggests Tim should take Nadira and Aisha home, but Aisha insists on staying.