an ordinary person without special training who records or writes about news stories, for example on the internet

Citizen journalists, with their phone cameras and blogs, have democratized news. 网民记者通过手机摄像头和博客实现了新闻民主化。

He calls himself a citizen reporter and blogs on the results of his investigations. 他自称公民记者，在博客上公布自己的调查结果。