Suicide
When a person intentionally kills themselves, it is called suicide.
A person with a big ego can be called arrogant, conceited, or self-absorbed.
I think it would just depend on the person. When did a person start self-harming them-self
It is called Self harm or Self injury
when a person knows ones own personality and is share ideas ,thought ,feeling and value of person that called as an open personality
well, it could be called a self harmer, or an attention seeker.
A person who commits suicide is also called a suicide. Or..."dead" is probably a good word for it. :)
Aperson who kills buffalo for their valuable hides is called a Buffalo Hunter.
Self-Hatred
Executioner Or headsman.
a murderer?
sasuke kills him after deidra attempts self destruct.
autodidact
Self-worth or self-esteem.
That is called Manslaughter. Which means to kill someone by accident.
The person that suffered of mental disorder and hurts himself is called "self-injurer"
Autoscien
The organisms which eat insects are called insectivores.