Ussop was cowardly. He hated himself. But he was brave and fought for what he belied him. He was the best sniper you'd ever saw, and was incredibly strong. He lies a lot. He thinks he's weak, he hates himself. He's very insecure about everything. He left the crew after doing good in the fight with luffy. He fought for what he believed in, which was not abandoning the going merry. But It had to be done. Takes place during the water 7 arc.