Who is the blind begger in Treasure Island?

In "Treasure Island" by Robert Louis Stevenson, the blind beggar is revealed to be the character known as Pew. He is a former pirate and a key antagonist in the story, who seeks to recover the treasure map from Jim Hawkins. Despite his blindness, Pew is portrayed as menacing and resourceful, leading a group of pirates in pursuit of the treasure. His character adds to the tension and danger that Jim and his companions face throughout their adventure.