stagehand

/S T EY1 JH HH AE0 N D/
noun
  1. 1

    A person who works behind the scenes at a theatre or in other theatrical media.

    โ€œThe actors get the glory, the spotlight and the name up in lights while it is the stagehands who point the spotlight, hang the name and change the light bulbs.โ€

Source: https://en.wiktionary.org/wiki/stagehand