I was about to post the same thing until I read this. "Equality" has never meant "Equality of one person with another". It specifically means "Equality of Rights, equality under the law."

So I would say: "Humans cannot be free without equality under the law and equality of rights." I specify both because one is man-made and the other is inalienable from being a Human being. Both freedoms are required in order to be "free".

Which brings up another point: the misuse of the word "free" by some. "Free" doesn't mean: "free to murder, cheat, rape, or steal" or "free to do whatever you want, whenever you want." This is used to strawman Anarchists (real ones, not commie Antifa twats) who promote none of those things and who do not advocate against laws or courts. Real Anarchists just don't want to be slaves to anyone else. In its real context, "free" means "Free to pursue your goals without interfering in the goals of others living in a civil society."

Freedom isn't "free" and it isn't unlimited.