Rose,
First of all, forgive me for being lazy and reading only your initial post (though I've skimmed through the rest). So, I can repeat other people's words unintentionally...
And now it's my turn to be surprised. Is it the post of a very "committed lightworker", strong, powerful and love-generating warrior? Alas, no... It's a post of a scared little girl...
Maybe it's your inner child, who talks and reacts? Or maybe it's time to transcend over some mind-constructed concepts, like "finding your one and only purpose"?
Darling, you're still learning! You try new things constantly. How can you decide already, if it's time to stop learning, and to subscribe to a single path? Yes, it is always possible. But let it go for a while if it limits you, makes you disempowered or just uncomfortable. Let yourself be free! Learn and build skills as long as you need. Should I say, that I have similar "problems", and often question myself in the similar manner?
What helped me is the simple decision:" For now my purpose is to find out what my purpose is". That's all. And now I'm free to learn further. I have so many things to try!
One more thing. It's not always possible to cover your basic needs (i.e. earn money) by living your purpose. And it's perfectly fine to support your purpose separately from your needs. You can find a job just to pay your bills (you still can choose the best for you among available ones) and to support your purpose, which doesn't bring money yet (in my example it is "to find your purpose"). However I beleive that I'll go through transition eventually, and so you will.
So... be patient with yourself....pleeease! You ARE born for some greater things than you do now. But it's just not the time yet. Grow naturally (i.e. slowly), not on steroids
Feel the energy of your free spirit. Calm down. Meditate. You'll get the answers.
Enjoy your life!