53:7 was afflicted. “Afflicted” means “bowed Himself”—that is, willingly submitted to all the humiliation and suffering—for us!
53:7 as a lamb. Here lies the basis for the many New Testament references to Christ as the Lamb.
53:7 dumb. Note the fulfillment (Luke 23:9, etc.) and the applications (Acts 8:32,35; I Peter 2:23).