Given that one of the controversies about the novel is that jim is portrayed as a naive character, what does jim seem to notice in these chapters that others don't and how does that relate to the issue of his portrayal in the novel?

We need some context to answer this... What novel? What Chapters?

it’s important not to respond to the bully because doing so generally just escalates the problem.

tell a trusted adult about what is happening and save the evidence. you should also let your internet or cell phone provider know, along with the operator of the site if it is happening online.

if the bullying continues, notify the local police and consider consulting an attorney if it becomes serious.

school authorities may also become involved if it involves students on campus.