the role Marley plays in this drama? Do you find his dual role as both a participant in the action and a guide effective? Why or why not?

Jacob Marley is Scrooge's old partner, Marley appears to Scrooge as a ghost and warns him about the dangers of being obsessed with money. Marley functions as a cautionary tale chalked full of foreshadowing if Scrooge doesn't change his ways.