might > could
5 To rescue her from shameful villainy.
villainy > ill-usage, indignity, insult
6 The prince and Guyon equally belive
belive > quickly; eagerly
7 Herself pursued, in hope to win thereby 8 Most goodly meed, the fairest dame alive:
meed > reward
9 But after the foul foster Timias did strive.
foster > forester Timias > "Honoured", "Esteemed" (Greek; Arthur's squire is named at last)
301.19