what is the development of a dynamic character in chapter 9?(any character)

Nick runs into Tom Buchanan on New York's Fifth Avenue. Tom admits that it was he who sent Wilson to Gatsby's; he shows no remorse, however, and says that Gatsby deserved to die. Nick reflects that Tom and Daisy are capable only of cruelty and destruction; they are kept safe from the consequences of their actions by their fortress of wealth and privilege.