In a response of two to three sentences, explain how the following lines contribute to beowulf's characterization as a hero. (20 points)

"the comer-from-far-land had cleansed then of evil,
wise and valiant, the war-hall of hrothgar,
saved it from violence. he joyed in the night-work,
in repute for prowess; the prince of the geatmen
for the east-danish people his boast had accomplished"