Buccaneer is another term often used for pirate. Its history comes from the early Caribbean settlers who cooked their meat over a buccan. Likely the concept of barbeque came from this method.
It is also the fourth rank given for PvP Infamy. To achieve this rank, a pirate must already be a Duelist and then earn 1,500 additional points in pirate vs. pirate fights. It takes 2,500 total Infamy points to reach this rank.