Why did nag wait in the bathroom for teddy's father?

Nag waited in the bathroom for Teddy's father because he intended to attack him in an effort to eliminate the threat posed by the family that was living in his territory. By confronting Teddy's father in a vulnerable setting, Nag aimed to assert dominance and regain control over the situation. This moment reflects Nag's cunning nature and his desire to protect his own interests against perceived threats.