I would say Success, it seems like that because of the success of writing and creating art. Hope I helped, sorry if I didn't! :)
Grendel fears Hrothgar because of the Shaper. The Shaper has made Hrothgar so much more of a magnificent figure than he was before. In sense, the Shaper "shaped" Hrothgar's feats and reputation to a more amplified one, making Grendel fear the new and great Hrothgar by the skill of poetry and speech.
Slam on your brakes to get the attention of the driver tailgating you is not a good procedure to follow ! Hope this helps
