Moshitsugi (an official for conveying a message) which is also called Souja/Shosha, refers to a position in charge of reporting information to a lord, or refers to the act of reporting information itself.
申次（もうしつぎ）とは、奏者（そうじゃ/そうしゃ）とも呼ばれ、主君に奏事伝達を行う役目を担った役職、あるいは奏事伝達行為そのものを「申次」と呼ぶ。