I hope they will understand you soon. It's absolutely horrible to be something you're not only for the sake of keeping an image for others upright ._.
I feel like any amount of transphobia is unlucky and can really be something damaging
All I can say is L1am, be you! That's all we can really be and doing that is always the right thing to do
I'm sure your father isn't normally a spiteful person and no parent hates their child: he is not being himself due to some odd beliefs.