Pupil

A Pupil is a Trainee class in Fire Emblem: The Sacred Stones, meaning that if you take the time to train them, they could become very powerful. Ewan is the games sole Pupil.

As a Pupil, Ewan has several promotion branches. These being:

Pupil - Mage - Sage or Mage Knight

Pupil - Shaman - Druid or Summoner

After you beat the game in Erika's Path and Ephraim's Path (one in each save), you get a 3rd branch. Pupil - Pupil (2) - Super Pupil

As a Super Pupil, Ewan can use Anima, Light, and Dark magic but no staves.