What is nico robin pre time skip?

Nico Robin is a fictional character in the One Piece manga and anime series. She is a member of the Straw Hat Pirates and the sixth one to join their crew. Before the time skip, Nico Robin was a member of the Baroque Works organization, where she was known as Miss All Sunday. She was one of the organization's seven top agents known as the "Officer Agents". Robin possessed the ability to read the ancient Poneglyphs which contain information about the true history of the world. She used to work with Crocodile, the former Baroque Works leader, but later double-crossed him and joined the Straw Hat Pirates. She has her own tragic past, where she was ostracized and persecuted for her ability to read ancient texts. Her intelligence and ability to understand complex information make her a valuable member of the Straw Hat Pirates.