The Reasons why "Just Following Jesus" Doesn't work

[Rekeisha]

so since you read the definition in the dictionary that makes it so. Well the dictionary defines Supernatural: of, relating to, or being above or beyond what is natural; unexplainable by natural law or phenomena; abnormal.  2. of, pertaining to, characteristic of, or attributed to God or a deity.

nature is defined as: based on the state of things in nature; constituted by nature. 3. of or relating to nature or the universe:
None of these definitions says that the only things that do exist are natural.
So I want to know, since you are confined by nature, can possibly know that there is nothing outside of nature?

because nature encompasses everything. if it exists, it's a part of nature.
there cannot be anything beyond everything, because it is within the everything

definition of nature, the meaning I have in mind is bolded:

nature
[ney-cher]
noun
1.
the material world, especially as surrounding humankind and existing independently of human activities.
2.
the natural world as it exists without human beings or civilization:
In nature, wild dogs hunt in packs.
3.
the elements of the natural world, as mountains, trees, animals, or rivers:
The abandoned power plant was reclaimed by nature, covered in overgrowth and home to feral animals.
4.
natural scenery:
Tourists at the resort are surrounded by nature.
5.
the universe, with all its phenomena:
Conservation of energy is a universal law of nature.
6.
the sum total of the forces at work throughout the universe.
7.
reality, as distinguished from any effect of art:
a portrait true to nature.

so if it exists in the universe, it is natural.

that's just whst those words mean. Supernatural is doomed to be an empty set by its definition alone.

Your definition just defines the word. Just because the word non-fiction exist doesn't make fiction a mere fantasy.
here is a little link that explains what you are speaking about a little more eloquently https://youtu.be/BXlBCZ_5OYw