I kept going back-and-forth on your application, but I think I'm leaning the most towards White Mage as well (specifically a White Mage like Aerith or Penelo). You're optimistic, creative, friendly, stubborn, indecisive, and a procrastinator...which are all more-or-less traits that can be associated with White Mage characters. Many are in-between introverted/extroverted, like being cheerful, are more of a mix between support/leadership, more modest, can be reserved but are easily impulsive in their actions, can have energetic personalities, and feminine. I could picture a White Mage enjoying working in a group more than working by themselves...and your ideal careers all seem fitting for a White Mage as well. :)