Jury
Juror
Who is going to accompany the judge in deciding the results of the trial? The jury! They're the only other people besides the judge who can decide someone's fate in court.
ばいしん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
日本で陪審裁判が導入された経緯を教えてください。
Please teach me everything about the introduction of jury trials in Japan.