Answer:
False.
Explanation:
Unferth offered his sword Hrunting to bewolf to fight Grendel's mother when she came to take revenge of her son's(Grendel) death.
It is true that unferth was jealous of Beowolf he also told the story of swimming contest of breca where Beowolf didn't won to lower the confidence of Beowolf to which Beowolf replied sharply.
He was referring to the American citizens that didn’t participate in the protests against the Vietnam War