Answer:
He has one and a person has two. A citizen has three. And a human being has four. A personality has five. And an inhabitant of earth has six.
Different lights do make me strange, thus into different sizes I will change
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble
Come up and let us go. Go down and here we stay
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.