Seeking a full time Queen (5)

I believe the answer is:

after

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'seeking' is the definition.
(I've seen this in another clue)

'a full time queen' is the wordplay.
'a full time' becomes 'aft' (I am not sure about this - if you are sure you should believe this answer much more).
'queen' becomes 'ER' (short for Elizabeth Regina ie Queen Elizabeth).
'aft'+'er'='AFTER'

Can you help me to learn more?

(Other definitions for after that I've seen before include "Following - behind" , "Pursuing" , "Following, consequent to" , "Post, later than" , "In pursuit of, behind" .)

I've seen this clue in the Sydney Morning Herald.

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