If you pick a tank, you're a defender and lead the groups by keeping the monster's attention firmly on you. We have a full guide on every job in FFXIV here, but here's an overview of the main roles you can undertake in FFXIV. Some jobs are also restricted to certain expansions, and can only be unlocked after progressing through the story to that point. Unlike previous MMO Final Fantasy XI, your chose race is purely cosmetic in FFXIV, and has no bearing on your capabilities in battle. For example, to play as the classic Dragoon or Black Mage jobs of other Final Fantasy games, you must start as a Lancer or a Thaumaturge respectively. Some jobs start as a basic version, and through story progression graduate into more advanced jobs. In FFXIV, classes are known as jobs,' inspired by classic Final Fantasy games, and come in a variety of roles and playstyles.
Final Fantasy XIV differs from some other MMOs out there by letting you train multiple character classes at once.
