Low self-worth is not a psychological problem. It is a manifestation of atheism and the insistence that God has not created one in His image, as His child, made of the same substance as Him. I'm infinitely worthy as I am God's child.
Fear is not a psychological problem. It is a manifestation of atheism and the insistence that one must make one's own way in a world destined to confound one's plans. I'm infinitely safe as I am God's child.