Read the passage from beowulf.

from where he crouched at the king's feet,
unferth, a son of ecglaf’s, spoke
contrary words. beowulf’s coming,
his sea-braving, made him sick with envy:
he could not brook or abide the fact
that anyone else alive under heaven
might enjoy greater regard than he did:

the passage supports the inference that unferth is

acclaimed.
frail.
petty.
religious.