there's already a topic for thishttp://vampireknight.all-up.com/t646-who-do-you-think-is-yori-s-secret-fiance
LOL! Depends really, because Yori doesn't have any love-of-her-life I'm sure she'll be so-so to any arranged marriage and I don't expect her to complain about it like a little girl.
As for the need to undergo marriage to appease her father's wishes, its all the more necessary she MUST NOD to whatever her father's decision is to help her family name. She is after all the daughter (perhaps only daughter) to an important very wealthy councilor.
But by "secret", its quite possible that her father may not have done
the selection yet. And "seccret" simply means that Yori is already set
to marry someone else, just not chosen yet. So it can be anyone her father spots his eyes on.
As for who her fiancee is, it can be guessed. But since she does belong to an important and very wealthy councilor family, probably she'll also get married to someone who can help boost or stabilize her family's wealth. I think for her type, image and reputation is very important so she'll be married to a human too. Yes, a human male with the same image and reputation as her.
Zero himself is very complicated not only emotionally but also due to having different blood mixed in him. in my opinion he's not just a hunter and he's out of the question simply because the only way he can be Yori's infamouse fiancee is being a powaful hunter, and I don't think it would help her family's reputation to know that power came from a pureblood. Though it depends what Yori's father thinks of him if he is "suitable enough".
I don't think Yori has got what it takes to defend herself, I imagine her going with what people thinks whats best for her and she'll probably also nod when her father says she must sit or dance to earn great applause for Wakaba family.
Zero should also marry a huntress to "preserve the strenght of his blood", society dictates it must be so and he must nod to it with the only obedience his parents should have taught him to keep .on following . Just like how Yuki is fated to be with a pureblood, and she also knows it.
Matters of the heart is often trivial when its viewed in the eyes of others, more often it boils down to the benefits of the union for the family, not the essence. For that reason, Zero and Yori must follow this dictation to please others.