Bartolomeo admires the Straw Hat Pirates. Bartolomeo, an original admirer of Luffy from the time of Loguetown and onward, admires the crew in its entirety, saying he followed all of their actions and acted dumbfounded when he met Luffy and Zoro.

Will Bartolomeo join Luffy's crew?

8 Characters Who Will Join The Straw Hat Grand Fleet (& 7 Who Won't) ... The members of the Grand Fleet swore their loyalty to Luffy and vowed to help him in the time of need. The Straw Hat Grand Fleet currently has seven members: Bartolomeo, Cavendish, Orlumbus, Don Sai, Ideo, Hajrudin, and Leo.

Is Bartolomeo a bad guy?

When Barto is first introduced at Dressrosa it's revealed that he got his high bounty and reputation from his sour attitude and his penchant to kill civilians. But after his initial introduction we find out Barto is a pretty nice guy.