en_tn_lite_do_not_use/job/17/08.md

will be stunned

"will be shocked" or "will be horrified"

by this

"by what has happened to me"

will stir himself up against

This is an idiom. AT: "will be distressed because of" or "will be very angry with" (See: rc://en/ta/man/translate/figs-idiom)