Another character whose role grew as the series went on yet debuted in Harry Potter and the Sorcerer's Stone was Ginny ...

the Weasleys' unsaid invitation for Harry to be a part of their clan is just as important an invitation as the one brought to ...

George Weasley, Harry Potter and the Sorcerer’s Stone. When Harry first meets the Weasleys at the train platform, the twins are trying to appease Ginny, who is sad she can’t go to Hogwarts yet.