Both the Servant and the Branch are designations in the Old Testament for the Messiah. Both present him in his humility. In Isaiah 42:1, the Messiah--the Servant is presented as the tender prophet (a passage applied to the Lord Jesus in Matthew 12:18-20, KJV. Clearly, the Servant is now an individual rather than the nation of Israel as a whole. God would be delighted or well pleased with him. As the chosen one, he was to be the federal head of God's elect people. He would be especially empowered by the Holy Spirit to carry a quiet and unassuming ministry that would compel many to flock to him and be saved by his light on their way to understanding why he, Jesus, died for their past, present, and future sins to help future generations receive salvation as an unchangeable bill and deity to all.