Self-Esteem is the ability to recognize one's own worth. These feelings of self-worth develop very early in childhood, thus parents play a great role in determining what their child thinks about himself. A strong self-esteem will act as a weapon against the challenges in life, your child will face. So, parents should avoid certain behaviors that can impact their child in a bad way.
Emotional insecurity or simply insecurity is a feeling of unease or nervousness that is triggered when a person perceives themselves to be insignificant or not good enough that they don't measure up especially in relation to someone else. It is a complex mental issue which often results in low self-esteem and at times in too high self-esteem, which eventually manifests itself as arrogance or a sense of superiority.