prop·er·ty
/ˈpräpərtē/
Noun
A thing or things belonging to someone; possessions collectively.
absurd example:
an alien race decided for many millions years ago, ot play god, and create the planet earth, and they therefor owns it, and everything on it.
now we humans live and owns the earth.now we humans live and owns the earth.
what will happen when they come back, and take back the earth and us humans that they created? who owns what?
well you just violated a cute cow's inalienable right to live, by having someone kill it so you could eat a good and tasty beef.
now if you say that your natural rights does not work that way, i will say that they are arbitrary and therefor not natural, and ask you: "do black people have natural rights?".