The True Confessions of Charlotte Doyle - Chapter 2 6. What warning does Mr. Barlow give to Charlotte?

In Chapter 2 of "The True Confessions of Charlotte Doyle," Mr. Barlow warns Charlotte not to trust the crew of the Seahawk. He tells her that they are a dangerous group and that she should stay away from them, especially Captain Jaggery. Mr. Barlow says that the captain is a tyrant and that he will not hesitate to harm or even kill anyone who crosses him. He advises Charlotte to be cautious and to keep her distance from the crew for her own safety.