Insecurity in a person can manifest in various behaviors and attitudes, both overt and subtle. Here are some common traits and behaviors that might suggest a person is dealing with insecurity:

1. Low Self-Esteem: They may frequently express doubt about their own abilities or self-worth.
2. Constant Approval-Seeking: They often seek validation from others for their actions and decisions, unable to feel confident without external approval.
3. Jealousy: Insecure individuals may exhibit jealousy or envy towards others’ accomplishments or relationships.
4. People-Pleasing: They might go to great lengths to please others, often at the expense of their own needs or desires.
5. Defensiveness: They may react defensively to criticism or even innocent comments, perceiving them as personal attacks.
6. Fear of Failure: There can be an intense fear of failure, leading to either not trying new things or an extreme reaction to mistakes.
7. Perfectionism: They may strive for perfection as a way to cover feelings of inadequacy.
8. Overcompensating: Some insecure people might overcompensate by bragging or pretending to be confident to cover up their insecurities.
9. Avoiding Confrontation: They may avoid confrontations at all costs, which can include not speaking up about their needs or not standing up for themselves.
10. Difficulty Trusting Others: Insecurity might lead to challenges in trusting others, sometimes resulting in paranoia or suspicion in relationships.
11. Comparing Themselves to Others: They often compare themselves to others, focusing on their own perceived shortcomings.
12. Social Withdrawal: In some cases, an insecure person may withdraw socially to avoid situations where they feel vulnerable or judged.
13. Resistance to Change: They might resist change because it brings uncertainty, which could exacerbate their insecurities.
14. Need for Control: They may exhibit controlling behaviors in relationships or situations as a means to reduce feelings of uncertainty or vulnerability.
15. Overly Critical: They can be overly critical of others, projecting their own insecurities onto those around them.
16. Lack of Assertiveness: There might be an inability to assert themselves effectively, leading to passivity or aggression rather than healthy assertiveness.
17. Nonverbal Communication: Body language such as slouching, avoiding eye contact, or nervous gestures might indicate insecurity.

It’s important to note that everyone can exhibit some of these behaviors at times, and having one or two of these traits doesn’t necessarily mean a person is broadly insecure. Insecurity becomes more of a defining issue when these behaviors are consistent and interfere with a person’s well-being or daily life. Additionally, compassion and understanding are essential when dealing with insecure individuals, as harsh judgments can exacerbate their challenges.