How can someone give you something he doesn't have? If no man has rights, no man can grant rights to others. He can only grant privileges.
A right, fundamentally, is my agreeing to not interfere with an activity of yours. That agreement is mine to give.
The distinction between right and privilege it seems to me is that rights are generally granted by all to all whereas privileges are restricted in some way. You might say that a privilege is a right that only some have.