Identify three unusual details of Pips dinner with Mr.Jaggers

Jagger's shares a small, dark home with his housekeeper. They are the only occupants of the home.

Pip's classmates, also included in the dinner, argue about a loan that Drummle ungratefully borrowed from Startop.

Jaggers encourages Pip to keep his distance from Drummle, but he also claims that he likes the man.