I'm not black. I don't have a clue how it feels to be a black person in this world, but I know enough to say that not being black is a distinct advantage.
I'm a lot less likely to be stopped, harassed, arrested, or killed by cops than I would be if I were a black man. I'm a lot less likely to go to jail, but if I do, it will be after copping a much better plea than I could get if I were black. From what I've read, heard, and seen, black cops and judges discriminate against blacks pretty much as egregiously as white cops and judges do, so just bringing more blacks into the legal apparatus won't do the trick.
What will do the trick? Beats me.
In case you hadn't noticed, hardly anybody in the USofA gives much thought to anything that happens in Africa. Most of the people drowning in the Mediterranean lately have been black, and the vast numbers of fatalities, while noted in the media, are not attracting a hell of a lot of hand wringing in the United States. Most white Europeans support letting them die, to discourage more from making the attempt. (Yes, there are plenty of Syrians and other non-blacks going down as well, but those people are, well, rather dusky, you know, and frequently Muslim.)
I try to put myself in the place of a Somali, a Nigerian, a Malian, or whatnot, but I'm afraid imagining their lives doesn't come easily. It's a little easier imagining being a black man in the United States, but I still don't think I've "got" it. If you're white too, you probably have the same difficulty.
I don't know what might be done, and I don't know what I, personally, can do beyond sending letters to politicians and money to relevant charities. It's not much, but it seems to be the best I can manage, given my circumstances. Still, there ought to be more.