Jump ahead of theatre worker. (7)

I believe the answer is:

surgeon

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'theatre worker' is the definition.
(someone working in a theatre)

'jump ahead' is the wordplay.
'jump' becomes 'surge' (I can't explain this - if you can you should give a lot more credence to this answer).
'ahead' becomes 'on' (synonyms).
'surge'+'on'='SURGEON'

'of' is the link.

Can you help me to learn more?

(Other definitions for surgeon that I've seen before include "Operating medic" , "Naval medic" , "Doctor in operating theatre - RN doctor" , "Medical specialist" , "Doctor with a scalpel" .)

I've seen this clue in The Irish Times.

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