Hume-Average(good for RDM some say)
Tarutaru-High INT, Low STR(Good for mages)
Elvaan-High MND/STR, Low INT(Good dmg dealer)
Mithra-High AGL/DEX, Low DEF (Good THF/indirect dmg dealing)
Galka-High HP/STR, Low INT/MND/MP(Good tanker/dmg dealer)

Monk is good with elvaan.

Recommended Race for RDM-Hume, Taru, and Mithra
Recommended sub- White Mage