1. Which character of DS9 (no matter if main cast or guest star) would you say is most like yourself (personality wise and/or appearance wise..or two characters, one for personality, one for appearance) and why?
Appearance-wise I was closest to Ezri--small, built about the same, and Dutch-looking.

Personality-wise, I can see similarities there, too.
That said, though...I would not want to be part of the Federation, so I might be more comfortable (well, in a certain sense, because obviously the guy has a short, rough life) as someone like Tekeny Ghemor. Ziyal, too, though the "short, rough life" thing applies to her, too.
While I would have picked Kira, in the end she never fully relinquishes her bitterness or her racism, and since I would be very likely to pop into the Trek universe as Cardassian...
2. And which character is as opposite from yourself as possibel and why?
Dukat. (And by that I mean the canon version, NOT the good version I created.) The self-delusion, self-aggrandizement, sexual sadism...just...NO.
3. Which character would be most likely become a good friend of you, if you would be a character in DS9? Why?
Ziyal, though when the show was on the air, she would've been older and more mature than I was. I think she would've been a good mentor, though, and very accepting--which would be very important because I was usually the kid that got picked on mercilessly. I can't see her ever inflicting that on someone else.
Ezri might be a possibility, too.
Jake...no doubt I would have found him VERY attractive (again, remember the age I was at the time the show was on the air--he would have been an appropriate date then), but his directionlessness wouldn't have appealed, as he got older and clearly didn't have a plan for his life.
Odo I think I would have enjoyed for his cynicism and his ability to see through the Federation's elitism and pretenses. Garak could too, and I would be nice but keep him at arm's length because of his ruthlessness.
4. Which character would most likely never become a good friend of you, why?
The canon version of Dukat. He has no idea what friendship really is, for starters, and frankly I would never let him that close because how would I know his "thing" for Bajoran women wouldn't extend to human women? (That is, if I ended up appearing in that universe as human, which is VERY debatable. But even if I showed up as Cardassian, I'd still be very worried.)
Which could make for an awkward situation if I made friends with Ziyal. Let's just say I would be very careful never to be alone in the wrong place at the wrong time.
5. What would be your job on DS9? Why that one?
Most likely not in Starfleet, because I don't think I'd be able to make it in PT. I imagine I'd be working for one of the merchants (though NEVER for Quark).
6. If you would not be living on the station, but be in that universe/timeline..well you know...where would you be living instead and what would you be doing there?
I would probably be a Cardassian religious dissident, studying in secret to become a Guide.
(Obviously Treklit is NOT canon, but I said it anyway.)