Komentarz do Izajasza 53:7

He was oppressed, and he was afflicted Behold he was oppressed by taskmasters and people who exert pressure.

נגש He was oppressed. It is Niphal.

and he was afflicted with verbal taunts, sorparlec in O.F.

Yet he opened not his mouth. This requires no explanation; for this is the case with every Jew in exile; when he is insulted he dares not reply, especially the pious one who devotes himself only to the service of God, and does not care for worldly prosperity; nor does he know any prince or chief whom to ask for assistance, when oppressed by man. The phrase Yet he does not open his mouth, is repeated to express the continuity of this fact.

yet he would not open his mouth He would suffer and remain silent like the lamb that is brought to the slaughter, and like the ewe that is mute before her shearers.

and he would not open his mouth This refers to the lamb brought to the slaughter.