He displayed chivalric behavior by helping the lady with her bags.
Он проявил рыцарское поведение, помогая даме с её сумками.
Definitionen
Relating to the medieval institution of knighthood or the qualities idealized by knighthood, such as bravery, courtesy, honor, and gallantry toward women.
His chivalric behavior at the banquet impressed everyone, as he was both courteous and gallant.