自卑,自谦
Self-abasement \Self`-a*base"ment\, n. 1. Degradation of one's self by one's own act. 2. Humiliation or abasement proceeding from consciousness of inferiority, guilt, or shame.
self-abasement n : voluntary self-punishment in order to atone for some wrongdoing [syn: {penance}, {self-mortification}]