see of the travail - He shall see such blessed fruits resulting from His sufferings as amply to repay Him for them (Isa 49:4, Isa 49:5; Isa 50:5, Isa 50:9). The “satisfaction,” in seeing the full fruit of His travail of soul in the conversion of Israel and the world, is to be realized in the last days (Isa 2:2-4).
his knowledge - rather, the knowledge (experimentally) of Him (Joh 17:3; Phi 3:10).
my ... servant - Messiah (Isa 42:1; Isa 52:13).
righteous - the ground on which He justifies others, His own righteousness (1Jo 2:1).
justify - treat as if righteous; forensically; on the ground of His meritorious suffering, not their righteousness.
bear ... iniquities - (Isa 53:4, Isa 53:5), as the sinner’s substitute.