I'll agree with the sentiment about White Mage, but not Scholar.

Scholar is a DPS job. Actually, it's both, though really more healer than damage. Your fairy does a whole lot of your work for you, if you know how to manage her properly, and as long as things aren't too rough, so much of the time should be spent adding extra debuffs and dots to things. Knowing how far you can push that, how much your tank can deal with, and when you need to switch focus from supporting to actually healing, is important, but the fact that you're not the sole source of healing takes a surprising amount of enmity off you.

White Mage, on the other hand, I would personally recommend either not DPSing at all, or if you must, be very careful with it. White Mage generates a metric ton of hate. In my experience so far, you're spending more time doing nothing as a White Mage than actually doing anything, partly to avoid aggro and partly to avoid burning through MP or getting caught in a cast. You have Aero. You have Repose. You have Fluid Aura. These are useful things. But a White Mage should never feel guilty for being the least active member of the party.

If you're a Scholar and you've got your hands full, you're doing your job.
If you're a White Mage and you've got your hands full, things are going very wrong.