Which character is described in these lines?

Lord of the Scyldings, this single petition?
Not to refuse me, defender of warriors,
Friend-lord of folks, so far have I sought thee,
That I may unaided, my earlmen assisting me,
This brave-mooded war-band, purify Heorot.

A. Beowulf

B. Grendel

C. Hrothgar

D. Higelac