I'm pro Sansa.

(SPOILER)She's not perfect, but she of course had to grow. Someone mentioned how her character was used more as an observer at first, but that also fit her.

She finally starts becoming her own person, and opening her eyes to the way things are and what she can do to set the right.

I think all old members that are no longer active should be either assigned as the Others or the Unsullied.