Career talk prepared no student for acting (9)

I believe the answer is:

caretaker

I'm a little stuck... Click here to teach me more about this clue!

'for acting' is the definition.
(as in an acting manager or caretaker manager)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for caretaker that I've seen before include "Janitor" , "exercising temporary control" , "Warden" , "Custodian, keeper" , "One looking after a building" .)

I've seen this clue in The Telegraph.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.