The difference between Insecure and Self-confident

When used as adjectives, insecure means not secure, whereas self-confident means confident in one's own abilities.

check bellow for the other definitions of Insecure and Self-confident

Insecure as an adjective:

Not secure.
Insecure as an adjective:

Not comfortable or confident in oneself or in certain situations.

Examples:

"He's a nice guy and all, but seems to be rather insecure around other people."

"Imagine being so insecure that you make it against the law for folks to dislike you."