Mr. Laser Beam wrote:
Protegé, yes. Adopted daughter, no. There's never been any indication of that. It would not be any kind of creepy for Spock and Saavik to be married.
Spock called Saavik Saavikam in TWOK and in my mind that's him treating Saavik as some kind of daughter.
So I don't like the idea of them testing together - creepy
And teacher/student that's sort if creepy too
Unless I really missed something in the novels I haven't read, I never saw anything on screen to suggest any paternal roles. Spock was in a mentor role certainly, and they probably were something of kindred spirits, but nothing to rule out any romance.