How to spot a narcissist

Common symptoms and traits include:
A fragile sense of self-esteem that is easily threatened by criticism or rejection
A need for constant attention and admiration
A lack of empathy for others
Highly critical of others and quick to point our your flaws
A proclivity to exploit others for one's own gain
A sense of entitlement
Envious and jealous behaviour
Gaslighting with an inability to accept blame
They are insecure and overly sensitive to criticism
Share your thoughts and other symptoms and traits that could be missing here.