1.
Transfiguration Lecture Clean-Up Crew
3.
Professor Lockhart's Wardrobe Coordinator
5.
House-elf Student Liason
7.
Boat Logistics Coordinator
8.
Ministry of Magic Summer Internship
12.
Basilisk Corpse Disposal
13.
Triwizard Tournament: Extra Staff Needed
15.
Bartender at The Three Broomsticks
16.
Quidditch Pitch Concessions
17.
My Father Will Hear About This! (And Pay You)