Long John Silver is an excellent talker. How his ability to persuade and convince serves him well throughout the novel?

Long John Silver is simply a very charismatic person. He can turn on his passive-aggressive behaviour at any time and convince people that he is both ruthless and trustworthy. Throughout the novel, Long John Silver clearly possesses a dual personality (thus, many critics also view Long John Silver as a precursor to Dr. Jekyll and Mr. Hyde). It is thought that Silver combines two pirate characters that appear before Silver makes his appearance in this novel. First is Billy Bones, the blustering buccaneer who is basically good hearted and kind to Jim, and the blind beggar Pew, a deformed, apparently harmless but who is in fact very strong and extremely cool. At times, Silver shows extreme kindness and a paternal liking for the young narrator. At other times, however, Silver, although deformed like Pew, shows extreme brutality and cruelness in killing other sailors.