nord bards bully dark elf and some other lore related rivalries and you have to stop them by brawl/persuade /intimidate it increases disposition of helped , it decreases disposition on basis of success of brawl/persuade /intimidate it helps increase speech craft which is only skill they have trainer for so it makes sense for either him to give this quest or reward modestly for helping just like vex gives infiltrating jobs and delving gives sneaky jobs with humble hopes thanks for at least reading it through
