What is the theme, main idea and main events of chapter 11?

The dual personality of Long John Silver, something that has been hinted at in the previous parts of the book, is finally revealed in this chapter. Hawkins's attitude towards Long John Silver, becomes not one of reverence and awe, but instead, instantly, one of repugnance, as he remarks, "I think, if I had been able, that I would have killed him through the barrel." He feels betrayed, not only by Long John Silver's involvement with the pirates, but also because of the betrayal of their personal relationship between the Silver and Jim