to be honored to be counted among someone's students; a humble expression used when speaking to a teacher or master

showing a blushing or ashamed appearance; feeling ashamed; abashed

(literary) used to humbly express that one does not deserve the fame, profit, or status one has achieved; to have the honor of being in a position or sharing a title beyond one's merit

To do nothing that brings shame upon one's parents

to not bring shame to one's post; to be faithful to one's official responsibilities