DISLOYALLY • E-FREE TRANSLATION.COM • Definition of Disloyally

... lies hid for a time at his mother's house and elsewhere, not so much to escape his own dangers as to avenge Atli on Thorbiorn Oxmain at the right moment. At last he finds it; and Thorbiorn, as well as his sixteen-year-old son Arnor, who rather disloyally helps him, is slain by Grettir single-handed. His plight at first is not much worsened by this; for though the simple plan of setting off Thorbiorn against Atli is not adopted, Grettir's case is backed directly by his kinsmen and indirectly by the two ...

— The Flourishing of Romance and the Rise of Allegory - (Periods of European Literature, vol. II) • George Saintsbury