Jerock isn't the one to make a lot of ruckuss. He doesn't say that much, only what matters. Jerock also believes in his own Justice, even though he is Marine, he could work with pirates now and then to do what he believes is right. He's still a youngster right now and really looks up to higher ranked officers.
Born in the West Blue, where he was raised by a local family on No Name Island. He lost his foster family at young age during a Civil War and was than taken to a Marine base on another island in West Blue. He reguraly makes contact with the head of the Marine base in West Blue, Captain White Suit.