Greenie

From Puzzle Pirates

 Greenie is a term for pirates who have a green name. This indicates that the person has not played signficantly in the game yet. As the player plays more the name will transition to a yellow colored name.

Greenies are able to see greeters (players with a pink name) that are there to help new players. The number of greenies in a given are archipelago is visible with /gwho.