Jem goes to the Radley's house and slaps the side of it because Dill dared him to.
Dill persuades Jem to do lots of things, maybe that he should not be doing, such as touching the Radley house. He does give Jem male companionship during the summer though, which is good. But, he does influence Jem poorly towards tormenting the Radleys.
Boo Radley's life
Jem and Scout were most looking forward to spending time with Dill, the adventurous and imaginative boy who visited them in the summers. They were excited for his arrival and the new adventures they would have together in Maycomb.
Jem helps Dill to get cleaned up and takes him back to the Finch house, where they listen to Dill's story about how he ran away from home.
In addition to Scout, Atticus, and Alexandra, Jem's room also houses Dill. Dill comes to stay with Jem and Scout during the summer months, and the children often have adventures together.
Dill and Jem see the shadow of Atticus Finch when Jem is on the porch of the house.
Dill is visiting his aunt in Meridian, and Jem is recovering at home after breaking his arm.
Jem and Dill are sitting up high in the balcony during the courthouse meeting, as they are not allowed to sit on the main floor with the rest of the adults. They are watching the trial from a distance to better understand what is happening.
Scout and Jem look forward to spending time with their friend Dill Harris during the summer in "To Kill a Mockingbird." Dill's visits bring excitement and new adventures to their lives.
Charles Baker Harris (Dill), who visits his aunt Rachel every summer in Maycomb came up with the idea of getting Boo Radley out of his house. Scout, Dill, and Jem try to do this with several different strategies.
Yes, Dill was exempt from Miss Maudie's knowledge of her gardening talent because he was only there for the summer and did not get to explore the neighborhood as much as Scout and Jem did.