"By virtue of faith and baptismal anointing, in collaboration with the Magisterium of Christ and as a servant of the action of the Holy Spirit, the catechist is: (a.) A witness of faith and keeper of the memory of God; in experiencing the goodness and truth of the Gospel in his encounter with the person of Jesus, the catechist keeps, nourishes, and bears witness to the new life that stems from this, and becomes a sign for others. The faith contains the memory of God's history with humanity. Keeping this memory, reawakening it in others, and placing it at the service of the proclamation is the specific vocation of the catechist. The testimony of his life is necessary for the credibility of the mission..."
Directory for Catechesis 113