Knight- They get weapon training as a knight, but they have to preform quests in order to get money. They get rep easier then others.
Merchant - They can get goods (for free) that they can sell, or can sell items they get from quests, for money, but they have to train on their own.
Mage - They learn magic quicker and their magic get a buff, but they aren't physically as strong.
Doctor - They learn healing magic quicker and heals get a buff, but they aren't physically as strong.
Witch Cult - Same as Knight but changed to killing people to get money. Can also have a chance at being Archbishop or a Finger.
Archbishop - Special rank, can be one of the sins.
Sage - Have the strengths and weaknesses of the Sage that sealed the witch. Special Rank.
Sword Saint - You get the Sword Saint Title, and sword. The title gives buffs. Special Rank. Also get access to special skills.
Queens Candidate - Special rank, you get a Knight and have a chance to become queen. Get your own Domain.
Assassin - Low Damage Output but faster and have Debuff skills.
Shinobi - Low Damage Output but faster and get Buff Skills.
Gladiator - They Fight for a living so easier to level up. Slower speed.
Mercenary - Medium Class. Preform jobs/quests for money and have to train yourself.
Chef - Higher cooking skill and can sell your creations. But don't get training.
Trader - Pretty much same as merchant except you trade items instead of selling.
Blacksmith - Can make Weapons and Armor to sell to people.
Bard - Aren't physically as strong, but their music can buff allies.
Alchemist - Basically a scientist that can create medical items and some damage items.
Dancer - Can buff their allies and get a biff to their speed but physically weaker.