Is this just me or is the bible full off it?

Okay so am reading the bible and honestly my pagan heart is just confused, I started off trying too find the root you know the Jewish bible after watching a let's play where someone said and i quote "the Jewish bible (insert real name here sorry am not well versed) acknowledges more genders than the bible including non binary, transgersim and many others" so this bible is the real word off God as it is the first therefore you the Christian isn't really following your own Gods rules.

Now that is stated I found this problem:

“A woman shall not wear a man's garment, nor shall a man put on a woman's cloak, for whoever does these things is an abomination to the Lord your God.
Not a spiritual mindset, Then this:
There is neither Jew nor Greek, there is neither slave nor free, there is no male and female, for you are all one in Christ Jesus.

Can you see why am confused? Please help me understand.
Is this just me or is the bible full off it?
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