Jim Holden is a fictional character from the science fiction series The Expanse, created by authors Daniel Abraham and Ty Franck under the pen name James S.A. Corey. He serves as the captain of the spaceship Rocinante and is known for his strong moral compass and commitment to justice. Throughout the series, Holden often finds himself in the middle of political conflicts and interplanetary tensions. Holden's character is portrayed as a former earther and a member of the Belter community, which represents the inhabitants of the asteroid belt. His journey involves navigating complex relationships with other key characters, such as Naomi Nagata and Amos Burton, while confronting the challenges posed by powerful factions like Earth, Mars, and the Outer Planets Alliance.