Fezziwig is very kind and generous, while scrooge only cares about money. Fezziwig helps everyone, scrooge only cares about himself.
Fezziwig is happy, scrooge isn't.
in one scene, fezziwig hosts a dance, which is something scrooge would never do at the beginning of the book
fezziwig and scrooge are both owners of a business.
Expressing the meaning of something by using different words which lead to better clarity
