Well... I'm definitely not the best member, here on PC, to be replying to your post. But I noticed you had yet to receive a reply. So I thought would at least offer what I could.

You wrote you don't know if you're a trans male or a Demiboy, or if you even need a label. I think one thing I would say is you don't need a label. You can just be whoever you are. But I do understand the desire to have a label... something you can hang your hat on, so to speak, something that identifies you as part of a particular group.

One other thing I think I can say is there is no one way to be trans. In fact there are probably almost as many ways to be transgender as there are transgender individuals. If you feel as though you are transgender then it's your prerogative to define what that means to you & how you choose to express it. And, while there may be some people who think one has to do this or do that before they can say they are trans, those people are just wrong (in my humble opinion.)

As far as the question of being a Demiboy goes, I'm afraid I'll have to defer to others on that subject. Although I've waged a life-long struggle with my own gender identity, I'm old now. And I'm simply not familiar with all of the different gender-related terminology that's in use today. Hopefully there will yet be other PC members who will be able to weigh in on your post. Best wishes...