Amanuensis
An amanuensis ( ə-MAN-yoo-EN-sis) (pl. amanuenses ə-MAN-yoo-EN-seez) or scribe is a person employed to write or type what another dictates or to copy what has been written by another. Eric Fenby acted as such in assisting the blind and paralysed composer Frederick Delius in writing down the notes he dictated.