Juror

n. member of a jury

For "jury" meaning "makeshift", see jury rig. A jury is a sworn body of persons convened to render a rational, impartial verdict and a finding of fact on a legal question officially submitted to them, or to set a penalty or judgment in a jury trial of a court of law. The word "jury" originates in Latin, from "juris"-law. In French, it became "juri" a law body.
See more at Wikipedia.org...

Noun
1. someone who serves (or waits to be called to serve) on a jury
(synonym) juryman, jurywoman
(hypernym) panelist, panellist
(hyponym) foreperson
(member-holonym) jury

(n.)
A member of any jury for awarding prizes, etc.
  

(n.)
A member of a jury; a juryman.
  

(see Jury) A person who has been summoned by a Court to be a member of the jury