juror
/ˈdʒʊərə(r)/noun
1- a member of a jury陪审员。
1.1
- historical a person taking an oath, especially one of allegiance〈史〉（尤指宣誓效忠的）宣誓人。比较NONJUROR.
词源
late Middle English: from Old French jureor, from Latin jurator, from jurare 'swear', from jus, jur- 'law'.