What profession do both Captain Hook and Blackbeard have?
Captain Hook:  The character is a pirate captain of the brig "Jolly Roger"; Barrie identifies him as Blackbeard's former bo'sun. Blackbeard: Edward Teach or Edward Thatch (c. 1680 22 November 1718), better known as Blackbeard, was a notorious English pirate who operated around the West Indies and the eastern coast of Britain's North American colonies.
pirate