beginner

noun3

1. •
   Someone who is just starting at something, or has only recently started.

   • I'm new to learning Finnish: I'm just a beginner.
2. •
   Someone who sets something in motion.

   • The beginner of the games lit the ceremonial torch.
3. •
   An actor who is present on stage in the first moments of a play.

   • On the stage, the beginners for the first piece had taken their places — the chorus were there, scared but determined, and in the wings waited Harlequin, in the person of Charles Lyall […] — 1949