They don't really show him as a Jedi. Just because he uses a lightsaber in the trailer, does NOT mean that he's a Jedi. Take General Greiveous for example.
He isn't a Jedi, or a Sith. And he still uses lightsabers. So long story short, just because someone has a lightsaber, does not mean they are a Jedi or Sith.
Rey is almost certainly Luke's daughter while Finn will be someone like Han Solo.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.