In Ragnarok Libre, the first job you start with is Novice.
When a Novice reaches level 5, they can advance to a 1st Job. As you reach certain level milestones, further job promotions become available.
Once you change jobs, you cannot switch to a different Job class. However, by purchasing a specific item, you can switch to another Job within the same Job group.
For example, a Rune Knight can change to a Royal Guard, as they belong to the same Job group, but cannot change to a Sorcerer, which is from a different group.
First Job Promotion
When a Novice reaches level 5, they can choose one of the following four Jobs:
Swordsman
Magician
Thief
Archer
Second Job Promotion
After choosing a Job and reaching level 30, you can be promoted to one of two second Jobs based on your current Job:
Swordsman β Knight or Crusader
Magician β Wizard or Sage
Thief β Assassin or Rogue
Archer β Hunter or Dancer
Third Job Promotion
At level 60, you can be promoted to the third Job:
Knight β Lord Knight
Crusader β Paladin
Wizard β High Wizard
Sage β Professor
Assassin β Assassin Cross
Rogue β Stalker
Hunter β Sniper
Dancer β Clown
Fourth Job Promotion
At level 140, you can be promoted to the fourth Job: