liege man > vassal, faithful follower fealty > loyalty (of a vassal to his lord)

303.38

Him shall he make his fatall Instrument,
2 T'afflict the other Saxons vnsubdewd;
He marching forth with fury insolent
4 Against the good king Oswald, who indewd
With heauenly powre, and by Angels reskewd,
6 All holding crosses in their hands on hye,
Shall him defeate withouten bloud imbrewd:
8 Of which, that field for endlesse memory,
Shall Heuenfield be cald to all posterity.

1 "Him shall he make his fatal instrument,

Him > [Penda] fatal > deadly; fated, preordained

2 To afflict the other Saxons unsubdued;

unsubdued > [who are as yet unsubdued]

3 He, marching forth with fury insolent

insolent > immoderate; disdainful, arrogant

4 Against the good King Oswald who (endued 5 With heavenly power, and by angels rescued, 6 All holding crosses in their hands on high) 7 Shall him defeat without blood imbrued: