Ignorance is revealed in an over-concern with one’s welfare, in a festering sense of incompleteness.
Ego is the energy of attachment, of clinging-ness, to name, gene pool, job title, wealth, physical appearance, education, family. These are not wrong, just temporary. So ego is also the energy of fear.
Rare is the man who has no dependencies and, therefore, no anxiety; who can let come what comes and let go what goes.