One in charge of large tour abroad (9)

I believe the answer is:

regulator

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'one in charge' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'large tour abroad' is the wordplay.
'abroad' indicates anagramming the letters (letters move around or go abroad).
'large'+'tour'='largetour'
'largetour' is an anagram of 'REGULATOR'.

'of' is the link.

Can you help me to learn more?

(Other definitions for regulator that I've seen before include "Ofsted perhaps" , "Controlling device" , "Controller" , "Of body" , "Governor" .)

I've seen this clue in The Times.

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