debutant
US /ˈdeb.jʊ.tɑːnt/
UK /ˈdeb.jʊ.tɑːnt/

1.
Debütant, Debütantin, Neuling
a person making a first public appearance, especially in society or in a professional capacity
:
•
The young actress made her debutant performance in the new play.
Die junge Schauspielerin gab ihre Debütanten-Vorstellung in dem neuen Stück.
•
She was a debutant at the annual ball.
Sie war eine Debütantin auf dem jährlichen Ball.