("Indescribable"means "cannot be described." So it literally cannot "describe" a person, but it can define them. The word is seldom used for a person, but for an attribute, to mean either elusive or extreme.)
Example:
The candidate inspired an indescribable feeling of trust among his constituents.
His rage was indescribable, a violent tantrum that surprised even his closest colleagues.
No. Use 'indescribable'.
A person can be patient.
fastidious
Righteous.
Meticulous.
This adjective means "impossible to describe" so it refers to something extreme or beyond our descriptive powers. Example: When Chaplin's mother performed on stage, the boos and catcalls were just indescribable, so her little son took over.
Stupid, great, humorous, smart, handsome. You can use any adjective to describe them.
Em a fat person
Manipulator is a word that can be used to describe a person that uses other people.
In 1589, Gerardus Mercator used the word "Atlas" to describe a collection of maps.
An all-around attractive person could be called "captivating" or "intriguing"
I believe it was Democritus.