How does self esteem matters in personality?

If someone has a really low self esteem, they're gonna be less cheerful and confident. If someone has a higher self esteem, is usually more cheerful and confident. Really depends on the person.

Low self-esteem tends to mean that a person's personality will not be confident and will constantly be-rate themselves for everything they believe they've done wrong. They are usually introverts - shy, closed up personalities.

High self-esteem means that the person's personality will be very outgoing. They're the type who dance as soon as they hit the clubs. They're usually extroverts - assertive and excited, outgoing and comfortable in there own skin.

Introverts and extroverts contrast each other if one is something, the other is the opposite.

People who have high self-esteem are more cheerful and positive.