In the opening of Dragon’s Dogma, you’ll be hit with two character creation screens: one for your protagonist, and one for your main Pawn. Fighter, Striker or Mage, it really doesn’t matter which of the three initial vocations you choose, they’re all viable choices as long as you are properly supported by your main Pawn. If you choose Fighter or Striker, make your Pawn sidekick a Mage. They’ll provide powerful buffs and life saving heals. If you choose to be a Mage, make your pawn a Fighter. Fighters are tanks, they carry shields that let them soak up damage and they can drum on it to attract enemy attention and keep the heat off of you.
Support Pawns, the ones you recruit from Rift Stones, aren’t as effective in these life saving roles. You won’t be able to control their behavior as readily, so your main Pawn is your best line of defense. Until you find your dragon-slaying legs in the world of Gransys, stick with this safe, basic set-up.