Guidance in captain's joint? (10)

I believe the answer is:

leadership

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'guidance' is the definition.
(I've seen this before)

'captain's joint?' is the wordplay.
'captain's' becomes 'leaders' (I can't justify this - if you can you should give a lot more credence to this answer).
'joint?' becomes 'hip' (part of body).
'leaders'+'hip'='LEADERSHIP'

'in' acts as a link.

Can you help me to learn more?

(Other definitions for leadership that I've seen before include "Commander's characteristic" , "Management" , "Had replies (anag.)" , "guidance" , "Those in charge" .)

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

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