15 ideas for the party knows each other in my new D&D campaign (aka creating a new D&D world, part 26)

Not too too long ago, I purchased The Ultimate RPG Game Master's Worldbuilding Guide: Prompts and Activities to Create and Customize Your Own Game World by James D'Amato and it, and going whale watching, inspired me to create a new D&D world. So here we go! I'm going to use prompts from the book to begin crafting this world, but not all posts will be from there.

You can read part 1 of my planning here, read part 2 of my planning here, read part 3 of my planning here, read part 4 of my planning here, read part 5 of my planning here, read part 6 of my planning here, read part 7 of my planning here, read part 8 of my planning here, read part 9 of my planning here, read part 10 of my planning here, read part 11 of my planning here, read part 12 of my planning here, read part 13 of my planning here, read part 14 of my planning here, read part 15 of my planning here, read part 16 of my planning here, read part 17 of my planning here, read part 18 of my planning here, read part 19 of my planning here, read part 20 of my planning here, read part 21 of my planning here, read part 22 of my planning here, read part 23 of my planning here, read part 24 of my planning here, and read part 25 of my planning here.

1. They're a group of mercenaries
2. They're family
3. They're childhood friends
4. They're a performance troop
5. They're a study group at the university
6. They're the crew of a ship
7. They're part of a political team
8. They run a tavern together
9. They're a group of explorers
10. They all work at the university
11. They commit crimes together
12. They own a business together
13. They give tours of the islands to tourists
14. They help people make journeys (like rangers)
15. They're a committee to investigate the missing children

(Prompt by me)

"Humpback Whale (Megaptera novaeangliae)" by V.L.