Self-deficient

It was a self-deficient people with whom the self-deficient Hitler achieved that peculiar empathy: a resonance of injured self on injured self. Both shamed, they became united.

Source: wiktionary

Importantly, however, researchers and philosophers contend that the ego that is created is not who an individual actually is since the ego erroneously believes that the true nature of oneself is self-deficient.

Source: wiktionary