insecurity

/ˌɪnsɪˈkjʊrəti/
noun
  1. A feeling of not being confident or safe; lack of self-assurance.
    • Many teenagers struggle with insecurity about their appearance.
    • She felt a deep insecurity about her ability to do the job well.
    • His insecurity led him to constantly seek approval from others.
  2. The state of being not safe or protected; risk of loss or harm.
    • The insecurity of the old lock made them worry about burglars.
    • Living in a region with political insecurity can be very frightening.
    • Job insecurity is a major source of stress for many workers.