noun
reporter; speaker; presenter; rapporteur
A person who reports or presents information, often in formal settings such as meetings, conferences, or official proceedings.
会議で報告者が今年の売上について発表した。
At the meeting, the reporter presented this year's sales figures.
報告者
The presenter explained the survey results in detail.
発表者 emphasizes the act of presenting or announcing, often at conferences or events, whereas 報告者 focuses on the reporting aspect, which may include detailed accounts or formal reports.
Compound of 報告 (ほうこく, 'report') + 者 (しゃ, 'person'). The word follows a common pattern for forming agent nouns in Japanese.