oliver ... please help me in these questions

what did fagin hide under the floor ?

how did Mr brownlow show his trust in oliver?

what was bill and toby's plan to burgle in Mr brownlow's house?

what happen to bill while he was running away?

what did nancy the prostitute do to protect oliver?

what did oliver to show his mercy on fagin ?

whose the crulest person oliver mets in the story why ?

whoes the most hearted ?