Scorpius/Jamie
You can't work for Glenda since there's no Glenda. On the other hand, your father has been going through enough parchment to cover Hogwarts trying to write the goblins. So maybe now is the time to talk to him about that job if you want a job in communication. Do you want me to pencil you in?
EVERYONE!
I mean it's not that terrible. There are the Patil twins. If you aren't terribly straight, then your choices improve. You have the Mauraders, Dumbledore, Greyback, Snape, Regulus and Theo. So basically pick Gryffindor or Slytherin. There's always Kirley who's neither.
Also I thought you'd say that we're practically family because your father is shagging my father. I'm not sure being Al's best friend stop us from having a one night stand.