leveling war and magic class

[Niwashi]

Problem with Scholar is it's one of the job choices Arcanist has... so you wouldn't get the real healer experience in dungeons until level 30. If just going to 15 for now, try conjurer.

Both healing jobs require the other one's class as their secondary class, and both use Thaumaturge for additional cross-class skills, so anyone who plans on healing is going to end up doing all three DoM classes, regardless of which healing job they plan to eventually focus on. But yes, conjurer does get into healing sooner, and it's good to get a bit used to healing in the low-level dungeons before trying it in some of the mid-level dungeons.