He basically gives him his resume, or all the heroic things he has done in the past, such as: he has never been defeated, he has saved many people, he talks about how he lost the swimming match to his friend Brecca because he stopped to help him against sea monsters which attacked him, etc.
These boasts are here for Beowulf to show to Lord Hrothgar that he is worthy of defending his kingdom against the monster Grendel.
Disappearance of Greek literature, renaissance interest in Greek literature, oral tradition Greek tragedy, transcription of works in the oral tradition. I don't think this is right but it goes something like that <span />
It is imagery, repetition, tone
This question could go either way. A hero is just a person "idolized for being courageous". This could mean a role model, or successful person, or even a super hero. If you are talking about a super hero, technically they don't have responsibilities because they are not required to use their powers to help anyone.
