No new updated questions, but....

1) Strangely worded question yes, but Lord Golbez is right - this character teaches the main character who asks what weapon he uses. The future character has no stated relation at all, but he does wield the same unique (?) weapon and has the same last name.

2) JJ Strife got it with Yamski who saved Holzoff (sp?).

3) JJ Strife got it with "You're Not Alone" or "Not Alone" where Zidane gets hit with a Smash in Pandemonium but Dagger joins the battle and heals him.

4) This concept art is not of an enemy.

5) The middle picture might be the most useful (and it's also so strange right?). The others are from Final Fantasy titles I've never even played, if that helps (you can tell what few titles I've played...).