In this fanfiction, Luffy might be initially in awe of Whitebeard's presence. He could challenge one of the crew members to a friendly spar, like Ace perhaps. And they might share stories about their adventures at sea.
Well, in the GTA 5 story, Lamar is also a great crew member. He's Franklin's friend and often gets involved in the action. He's not as polished as some of the others but he's got a lot of heart. Another one could be Lester. He may not be out in the field like the others but his intelligence and ability to plan heists are invaluable. He can hack into systems and provide crucial information for the crew's operations.
In a great GTA heist crew story, there could be a mastermind. He's the one who plans every detail of the heist. Then there's the hacker, who can break into any security system. And don't forget the getaway driver, really skilled at high - speed chases. There might also be a muscle guy, strong and good at handling any physical confrontations during the heist.
In the Mary Celeste true story, the captain was Benjamin Briggs. Along with him, there were other crew members on the ship. But not much is known about the individual crew members apart from the captain. We do know that the ship had a full crew complement when it set sail, but when it was found deserted, all that was left was their belongings and an empty ship. There's not a lot of detailed information about each crewman because the focus has always been on the strange circumstances of their disappearance.
Quentin Tarantino is a super important crew member as he's the director and writer. He shaped the whole movie. Among the cast, John Travolta and Samuel L. Jackson are really important. Their characters and the chemistry between them are iconic.
Skills are important. For instance, good driving skills like Franklin has can be a huge plus. Also, combat ability. Trevor's combat skills are great for handling tough situations. And experience, Michael's years of criminal experience make him a valuable crew member.
One potential new member could be a skilled archer from a forest - dwelling tribe. They have amazing accuracy and can use special arrows made from rare materials found only in their forest. Another could be a mermaid or merman with the ability to control water in unique ways, not just for combat but also for things like navigation and finding hidden treasures.
I think Luffy and Whitebeard himself would be the most interesting. Whitebeard is a legendary figure. Luffy would be eager to prove himself in front of him. And Whitebeard would see the potential in Luffy. Their exchange could be filled with wisdom from Whitebeard and Luffy's naive yet charming responses.