Farewell Discourse in the context of "That they all may be one"

In Christianity, a disciple is a dedicated follower of Jesus. This term is found in the New Testament only in the Gospels and Acts. Originating in the ancient Near East, the concept of a disciple is an adherent of a teacher. Discipleship is not the same as being a student in the modern sense; a disciple in the ancient biblical world actively imitated both the life and teaching of the master. It was a deliberate apprenticeship which made the fully formed disciple a living copy of the master.

The New Testament records many followers of Jesus during his ministry. Some disciples were given a mission, such as the Little Commission, the commission of the seventy in Luke's Gospel, the Great Commission after the resurrection of Jesus, or the conversion of Paul, making them apostles, charged with proclaiming the gospel (the Good News) to the world. Jesus emphasised that being his disciples would be costly.

Most Christian denominations believe the Holy Spirit, or Holy Ghost, to be the third divine Person of the Trinity, a triune god manifested as God the Father, God the Son, and God the Holy Spirit, each being God. Nontrinitarian Christians, who reject the doctrine of the Trinity, differ significantly from mainstream Christianity in their beliefs about the Holy Spirit. In Christian theology, pneumatology is the study of the Holy Spirit. Due to Christianity's historical relationship with Judaism, theologians often identify the Holy Spirit with the concept of the Ruach Hakodesh in Jewish scripture, on the theory that Jesus was expanding upon these Jewish concepts. Similar names, and ideas, include the Ruach Elohim (Spirit of God), Ruach YHWH (Spirit of Yahweh), and the Ruach Hakodesh (Holy Spirit). In the New Testament the Holy Spirit is identified with the Spirit of Christ, the Spirit of Truth, and the Paraclete (helper).

The New Testament details a close relationship between the Holy Spirit and Jesus during his earthly life and ministry. The Gospels of Matthew and Luke and the Nicene Creed state that Jesus was "conceived by the Holy Spirit, born of the Virgin Mary". The Holy Spirit descended on Jesus like a dove during his baptism, and in his Farewell Discourse after the Last Supper, Jesus promised to send the Holy Spirit to his disciples after his departure.

The New Commandment is a term used in Christianity to describe Jesus's commandment to "love one another" which, according to the Bible, was given as part of the final instructions to his disciples after the Last Supper had ended, and after Judas Iscariot had departed in John 13:34.

This commandment appears thirteen times in twelve verses in the New Testament. Theologically, this commandment is interpreted as dual to the Love of Christ for his followers. The commandment can also be seen as the last wish in the Farewell Discourse to the disciples.