Sometimes it can be difficult choosing what class you want to be, so hopefully this can help you choose!
Fearless tank with amazing melee attack skills. The Fighter is the main tank in any party because they have high defence with great damage.
With Holy Light on their side Clerics have the ability to heal and make anyone fortunate enough to be in their party have a great power boost.
Pure damage is what these beings posses. Magic abilites to attack multiple enemies at once but being able to do the greatest damage on a single target.
Silent but deadly, Archers, while lacking defence, have amazing evasion and aim. These creatures have nature on their side along with DoTs (Damage over Time).
After you pick what one sounds like it suits you check out that classes guide for a complete summary on everything you need to know about it.