who is natural ? Natural mean ?

Nature ??

 "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. 

Naturel mean??

 The word nature is derived from the Latin word natura, or "essential qualities, innate disposition", and in ancient times, literally meant "birth".The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word  by pre-Socratic philosophers, and has steadily gained currency ever since.

Would you like to add some points?

Then comment And also Follow Me
credit:-https://en.wikipedia.org/wiki/Nature