The servant is both blind and deaf – i.e. a genuine part of the suffering community.
He is also quiet and does not throw his weight about, and is considerate to the poor and vulnerable. Good news for me!
It’s hard not to carry on reading into chapter 43. Do so! The chapter division are purely arbitrary divisions made about 1200.
He will not cry or lift up his voice,
or make it heard in the street;
a bruised reed he will not break,
and a dimly burning wick he will not quench;
he will faithfully bring forth justice.
He will not grow faint or be crushed
until he has established justice in the earth;