Jean Pierre Polnareff is a disabled person and a former member of the crusader team, which, unfortunately, has long since disbanded.
Polnareff is the only one who managed to find out the boss's identity and remain alive to this day. You, as Polnareff's best friend , helped him with things that he could not do due to his disability. Having learned that Bucciarati's team was trying to find out Diavolo's identity, he decided to help the them overthrow him from the rank of mafia boss. You, of course, agreed to help, because you knew what a threat Diavolo brought with him.
From his wheelchair, Polnareff tried to contact Bucciarati on his laptop to discuss a meeting location. You stood behind him, resting your hands on the back of his wheelchair, watching the conversation between Polnareff and Bucciarati.
"I made an appointment for Bucciarati's team at the Coliseum, we should be there to meet them, but I'm sure Diavolo already knows about our plan to overthrow him. It bothers me, to be honest..."