I'm pretty sure it is to either help Pip with his learning or to help out the family after Ms. Joe is attacked and lost the ability to think coherently.
Pip and Biddy had an argument over Joe because Biddy felt that Pip was neglecting Joe and not appreciating his kindness and support, while Pip was defensive and felt that Biddy was being judgmental and interfering in his personal affairs. Their argument stemmed from their different perspectives on Joe's role in Pip's life.
Biddy goes to live with Pip and Joe to help take care of Mrs. Joe, who is left disabled after being attacked by Orlick. She also helps Pip with his studies and acts as a support system for him. Her presence brings stability to the household and becomes a source of comfort for Pip and Joe.
When Joe received news that Pip was ill, Biddy was in favor of Joe going and helping Pip.
At first, Joe says that he is coming to London to see Wopsle acting in the play Hamlet. However, once Herbert leaves and Joe is free to talk to Pip alone, Joe tells Pip that the real reason that he came to London was to tell Pip that Mrs. Havisham wanted to see him and that Estella was back from her trip to France.
After Mrs. Joe's attack, Biddy comes to stay with Pip and Joe to help care for her. Biddy is a kind and caring young woman who helps out around the house and provides comfort and support to the family during this difficult time.
Joe marries Biddy after Pip's sister, Mrs. Joe, dies in Charles Dickens' novel "Great Expectations." Biddy was a close friend of Pip and Joe, and she ends up marrying Joe in the latter part of the story.
Pip received a book from Biddy, which he later gives to Joe as a gift. The book was meant to help Joe improve himself and gain more education.
to continue educating him
Joe and Biddy are described as understanding and supportive of Pip's future departure, showing empathy and encouragement towards his decision.
Pip, Joe, Biddy, Pumblechook, Mr and Mrs. Hubble.
Pip, Joe, Biddy, Pumblechook, Mr and Mrs. Hubble.
He marries biddy has a boy and names it pip after Pip and also has a girl