1) Victor's role is more valuable. For example, Metzger.
2) Vistrit is the second Mafia member/townsperson.
I don't see any other possibilities. Option 1 doesn't make sense because Beatrice will eliminate Metzger at night.
Let's execute Vistrit. Beatrice, you wanted to act – now you have a target.
Added 2 minutes later
I've checked everyone, and so far, I haven't found anyone with three tasks except
the Investigator, but I don't know if this can be such an obvious clue, or if I'm just forcing it.
He has a quote from Kant in his signature.
And in the wiki, I found this about Kant:
In a letter to K. F. Stäudlin dated May 4, 1793, Kant spoke about the goals of his work: "The long-planned plan regarding how to process the field of pure philosophy consisted of solving three tasks:
1) what can I know? (metaphysics);
2) what should I do? (morality);
3) what may I hope for? (religion);