Who... ? Figure of speech Erotesis. The prophet's question. App-6.
This: i.e. Messiah in the execution of His vengeance in judgment.
Edom. red. Compare Isaiah 34:5.
Bozrah. vintage. Compare Isaiah 34:5.
traveling. bending forward, as in marching.
strength... mighty. strength (for endurance). Hebrew. koah. Not referring to His death, which was in weakness.