重要参考人 じゅうようさんこうにん Meanings Noun important witness; material witness; primary witness prime suspect Kanji 重 heavy. Read as ジュウ. 要 need. Read as ヨウ. 参 take part. Read as サン. 考 consider. Read as コウ. 人 person. Read as ニン. Word lists Law Jinuma: Japanese Dictionary · Word lists