'Holy' in the Bible

I didn't recognize him, but the one who sent me to baptize with water told me, "The person on whom you see the Spirit descending and remaining is the one who baptizes with the Holy Spirit.'

Besides, we have believed and remain convinced that you are the Holy One of God."

But the Helper, the Holy Spirit, whom the Father will send in my name, will teach you all things and remind you of everything that I have told you.

I am no longer in the world, but they are in the world, and I am coming to you. Holy Father, protect them by your Name, the Name that you gave me, so that they may be one, as we are one.

When he had said this, he breathed on them and told them, "Receive the Holy Spirit.