Law /
A Complicated Child Support Question (Polish citizen / UK) [24]
Ok, here's my take on things. Quite apart from the financial need you're in, you may feel very hurt by the actions of both your biological parents. But you mustn't let that preoccupy you or consume you. You need to deal with life the way it is, not the way it might have been, should have been, should be. It is what it is. With respect, your dad sounds like a waste of time in terms of helping you out. He doesn't want to know.
Move on with your life. You have youth, health and intelligence. Years ago, when there were no grants or subsidies for third level education tens of thousands of young, working class people from families with no money to spare, put themselves through university, working full-time and going to college in the evenings or weekends. Your generation has grown up with more of a sense of entitlement and an expectation that parents will at least partially fund your education. But you can do it yourself. Like I said before, it takes longer, and it's not easy but it can be done. Be independent and in a few years you'll be proud of what you've achieved.
Your uni probably has some kind of counselling service for students. Find somebody to talk to about what you're going through and also look at any other support organisations in your area. The more people you talk to you the more likely you are to find help. It may not be financial help, but you need some emotional support too, as you feel a bit sidelined by your mother due to her second family and rejected by your dad. That's very tough for you to deal with.
There may be a way of changing your study path that will be easier emotionally and financially, so do consider that.
I really wish you the best of luck with everything.