Three clues to guess

Madam Pince?

PC Piper Hart - Slytherin
Sta: x | Eva: x | Str: x | Wis: x | Arc: x | Acc: x
Sta: x | Eva: x | Str: x | Wis: x | Arc: x | Acc: x

Three clues to guess
Nope!

Olivia Williams - Gryffindor
Whether you're a werewolf or human, love is still love. Betrayal is still betrayal.

Three clues to guess
Argus Filch?@Olivia William I mean he is a squib but... maybe since his house not mentioned?

Real girls aren't perfect and perfect girls aren't real. ~Harry Edward Styles

Three clues to guess
Nope!

Olivia Williams - Gryffindor
Whether you're a werewolf or human, love is still love. Betrayal is still betrayal.

Three clues to guess
@Olivia Williams it is not really a clue that you don't know what house they're in...

So maybe we need another clue...

Ted Tonks?

Three clues to guess
Nope!

But the clue is that it isn’t confirmed what house they were in and that’s helping.

Olivia Williams - Gryffindor
Whether you're a werewolf or human, love is still love. Betrayal is still betrayal.

Three clues to guess
Uhh.. the lady who sells the sweets on the trolley on the train?

Three clues to guess
Nope, they have a confirmed name

Olivia Williams - Gryffindor
Whether you're a werewolf or human, love is still love. Betrayal is still betrayal.

Three clues to guess
Madam Rosmerta?

PC Piper Hart - Slytherin
Sta: x | Eva: x | Str: x | Wis: x | Arc: x | Acc: x
Sta: x | Eva: x | Str: x | Wis: x | Arc: x | Acc: x

Three clues to guess
Nope!

Olivia Williams - Gryffindor
Whether you're a werewolf or human, love is still love. Betrayal is still betrayal.