POSITIVE CHARACTER DESCRIPTION
Scrooge's niece's sister (the plump one with the lace tucker) is described as blushing when Topper refers to bachelors as wretched outcasts, indicating a positive and lively character.
SCROOGE'S NIECE'S SISTER
Topper had clearly got his eye upon one of Scrooge's niece's sisters, for he answered that a bachelor was a wretched outcast, who had no right to express an opinion on the subject. Whereat Scrooge's niece's sister--the plump one with the lace tucker: not the one with the roses--blushed.