G4462 is the respectful address Rabboni, which John explicitly explains as Teacher. Its two governed forms are direct appeals to Jesus: Bartimaeus asks to see again after Jesus asks what he wants, and Mary Magdalene answers with the title when the risen Jesus speaks her name. Both uses are vocative and personal, but the title by itself does not carry every Christological claim made elsewhere in the Gospels.
Mark 10 centers Jesus' mercy, Bartimaeus's expressed request, restored sight, and following Jesus on the road. John 20 moves from grief and mistaken recognition to Jesus' address, Mary's response, his instruction, and her announcement to the disciples. John describes the title as spoken in Hebrew and translates it for his readers. That wording should be retained without forcing a modern Hebrew-versus-Aramaic boundary onto the verse or treating the title as secret speech.
These two occurrences cannot support a general doctrine of spiritual titles, audible revelation, disability, grief, or guaranteed healing. Jesus' acceptance of the address does not authorize Christian leaders to demand exalted titles, unquestioning loyalty, private access, or dependence. Bartimaeus is permitted to state what he wants, and Mary is entrusted with testimony. Pastoral use should honor disabled people, grieving people, and women's witness while preserving consent, mental-health care, medical care, reporting, and safeguarding.
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