Originally Posted by DreadTchotchke
From the jobs listed in the link, I mostly fit the description of the writer. However, I would also like to have a hand in what goes into the mechanics of the game as well. If that is not specific enough, I want to write the fiction of a game world, write the characters, and the dialogue, and also be able to direct how the character's roles are utilized in gameplay.
Keep reading, keep writing and keep playing games.
With respect to (Q1) - you should study what you are passionate about. It sounds like this could be English, Creative Writing, Literature or something along those lines that you know you'll love doing. If you haven't already, you should also read Tom Sloper's Advice