town crier
US /ˈtaʊn ˌkraɪ.ər/
UK /ˈtaʊn ˌkraɪ.ər/

1.
crieur public
an official of a town or village who makes public announcements in the streets
:
•
The town crier announced the king's decree.
Le crieur public a annoncé le décret du roi.
•
In ancient times, the town crier was an important source of news.
Dans les temps anciens, le crieur public était une source importante de nouvelles.