USA to UK dual citizenship move : immigration

Hello! Final time I posted right here I used to be asking about how doable it might be for me a UK citizen to maneuver to the USA to take care of my twin citizenship household. Sadly with the assistance of some helpful feedback and my very own analysis it seems it’s fairly tough and lengthy winded. It’s a few years later and my brother(20M) is now hoping to maneuver to the UK to dwell with me (30F). He was born right here and emigrated to the US aged 3. We now have no authentic paperwork of his transfer and are battling the gov.uk web site almost about acquiring a nationwide insurance coverage quantity. He would want to maneuver and be absolutely coated to make use of the NHS as he’s at the moment transitioning. I’m keen to help him financially in any other case till he is ready to get settled however can’t afford medical payments on high. If he decides to make this transfer then I’m going to be over the moon at having my brother right here in the identical nation with me however I do not need to miss something, I need to make it as easy as doable for each of us. We each wrestle with our psychological well being and are victims of unlucky childhoods and although I’m technically the ‘grownup’ on this scenario I don’t really feel like one and would recognize any data to make this resolution for us simpler.