Would it be possible to add an NPC that could reset our job level?

We already have the ability to adjust our level post 99 though the addition of ilevel weapons and armor. We also have the ability to Level Sync within a party.

I'm asking for the addition of an NPC in maybe say, Ru'Lude Gardens roughly near Maat, that would be able to set our job level from 1-98. Anything lower than what we currently are. This would be strictly one way and we would not level up through the use of said NPC, only level down. This way we have the option of actually re-leveling some of our favorite jobs. Recapture the thrill of earning experience points in our favorite camps.

I don't see how merit or capacity points would interfere with this either, since being able to level down is already a mechanic in the game. I'm just asking for and NPC that would be able to expedite the process.