listener(процесс, обеспечивающий, напр., контроль правильности ввода данных)
investigator; attendee(курсов и пр. Taras); military student; cadet; spectator(During a jury trial, there should be no contact with the jury. It is the jury's duty to listen to all the evidence and the argument of attorneys and it is vital for any litigants or spectators to refrain from any reactions to testimony or evidence. Should this occur, a spectator may be asked to leave the courtroom and, in some cases, held in contempt of court for their interference.
Spectators should have no conversations with jurors at any point during the trial. The jurors will be asked to report to the court any contact that is made. This could be a most serious offense and summarily punished by fine or imprisonment. Even after the trial, no one should approach the jurors about their decisions – The First Judicial Circuit of the State of Arkansasarcourts.govTamerlane)
arcourts.gov Tamerlane)