This is the 943rd most frequent Greek word.
ενώπιον
"Ενώπιον" means "in the presence of" or "before" (someone or something).
"Ενώπιον" here denotes taking an oath in the presence of the judge, implying an official authority.
Ορκίστηκε να λέει την αλήθεια ενώπιον του δικαστή.
He swore to tell the truth in front of the judge.
In this context, "ενώπιον" describes the physical and positional standing of the players in relation to the audience.
Οι παίκτες βρέθηκαν ενώπιον των οπαδών μετά τον αγώνα.
The players stood before the fans after the game.
"Ενώπιον" in this sentence indicates a position in relation to the blackboard, effectively meaning "in front of."