Lacueva was a pirate famed as a devious tactician. At some point in his life he was captured and taken to the Auction house. After protesting over becoming a slave, he chooses death over slavery and attempted suicide on stage by biting his tongue which led to him collapsing. He was later seen alongside the other slaves when Franky threw the keys to the. His bounty is 17,000,000 belli and his name means “the cave� in spanish. (Source: One Piece Wikia)