I guess it comes down to whether you want to be the beloved captain that everyone respects a d the crew is like a family.

Or

The captain who rules because he has the most power and people work for him because he is successful but they don't particularly like him.

If beloved captain: I would go with College or Swords Bard, oddly their blde four is he's do not specify melee weapon so you could use the handcrossbow. Or a straight swashbuckler rogue.

If power and fear, conquest paladin or maybe even a storm sorcerer. People follow you based on the charisma and your storm powers could be great for a pirate.