These Messianic promises from Isaiah 9 are hugely trinitarian. The Holy Spirit is likewise our counselor and God is our Father. Isaiah said this because he knew that all of God was going to redeem all of his people by giving them all the fullness of himself.
And this child, this kid – the government is going to be on his shoulders. It is a government of peace. It is a government that cannot and will not end. It's not that his government will just not stop, but it will always increase. I'm voting for him. "His truth abideth still. His kingdom is forever."