Because he was rumored to have gotten in trouble with the law. But his father didn't want him to go into an asylum, so he promised to keep him locked up in his house.
Arthur Radley stays inside the house because of his reclusive nature and the rumors and stories spread about him by the townspeople. He is portrayed as a mysterious and misunderstood character in "To Kill a Mockingbird," leading him to isolate himself from society.
Arthur Radley joins a sort of gang as a youth. The gang was tame by modern standards and did nothing worse than drinking liquor and locking a local lawman harmlessly in an outhouse. The other boys were sent to a boys' school but Arthur's father persuaded the judge to let him take Arthur home. He was locked away in the house from then on.
Arthur "Boo" Radley got into some trouble with the police when he was young, therefore his father locked him in the house for 15 years. After his father died, his older brother Nathan moved in and continued to keep him locked up. At the end of the novel Boo comes out of his house and saves Jem and Scout from Bob Ewell.
Arthur Radley. his brother was mr. Nathan radley.
In "To Kill a Mockingbird," according to Scout, Boo Radley lives in the Radley house.
Mr. Radley's first name is Arthur in Harper Lee's novel "To Kill a Mockingbird." He is the reclusive neighbor who is rumored to have kept his son Boo Radley locked up in their house for years.
In "To Kill a Mockingbird," the brother of Boo (Arthur) Radley is Nathan Radley. Nathan is portrayed as a stern and reclusive character who is protective of Boo.
The radley place home of Nathan and Arthur Radley(Boo Radley) There was a myth that Boo stabbed his parents
Mr. Radley kept his younger son, Arthur, isolated in their home and away from the community in Maycomb. This ensured that Arthur did not cause any trouble or interact with others. Additionally, Mr. Radley might have used strict discipline or control measures to prevent Arthur from getting involved in any activities that could lead to trouble.
Boo and the Cunningham's got into trouble with the law when he resisted arrest and was locked up in the court outhouse. They were arrested for disturbing the peace, assault and battery. They were the nearest thing to a gang.
Nathan Radley (the oldest) and Arthur "Boo" Radley (the youngest)
Atticus leads Scout and Arthur Radley to the porch of the Radley house to talk after Dr. Reynolds arrives. They discuss what happened the night Bob Ewell attacked them and how Boo Radley saved them.