prolocutor
noun
[ ˈprəʊləˌkjuːtə ]
• a chairperson of the lower house of convocation in a province of the Church of England.
• a spokesman.
Origin:
late Middle English (in prolocutor (sense 2)): from Latin, from prolocut- ‘spoken out’, from the verb proloqui, from pro- ‘before’ + loqui ‘speak’.