When a person voluntarily sets themselves on fire, it is called self-immolation. This act is often done as a form of protest or sacrifice, with significant cultural, religious, or political implications.
When a person intentionally kills themselves, it is called suicide.
They are called egomaniacs. Mostly people fooling them selves about their worth.
A self-centered person is often referred to as narcissistic or egocentric. They tend to focus primarily on themselves and their own needs, often lacking empathy or consideration for others.
No, self-sufficient means that you are independent.
A person with low self-esteem is often referred to as having poor self-image or low self-worth. They may have feelings of inadequacy or lack of confidence in themselves.
Self esteeem
Self-Hatred
autodidact
When a person intentionally kills themselves, it is called suicide.
The person that suffered of mental disorder and hurts himself is called "self-injurer"
Autoscien
A self-directed person
This person female would be conceited or .... vain, egotistical, self-important, self-satisfied.
arrogant, bighead, cocky, self-important
ignition and combustion.
In Hinduism individual person is called hindu. Hindu is the follower of Hinduism.
Perhaps you refer to "negative self-esteem."