noun
A person who gathers information for news or publication; often used for journalists, reporters, or anyone conducting interviews for a story.
取材者は事件の詳細を聞き出そうとしていた。
The reporter was trying to get the details of the incident.
その取材者は有名な作家にインタビューを申し込んだ。
The interviewer requested an interview with the famous author.
インタビュアー is a loanword for 'interviewer,' often used in broadcast or formal interview settings. 取材者 is broader and can refer to any information gatherer, not just in interview contexts.
Compound of 取材 (shuzai, 'news gathering, coverage') + 者 (sha, 'person'). The derivation is straightforward from its components.