Give support to subordinate (6)

I believe the answer is:

second

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This could be a double definition.

'give support' is the first definition.
'second' can be an answer for 'support' (I've seen this before). I'm unsure of the 'give' bit.

'subordinate' is the second definition.
(thesaurus)

'to' is the link.

Can you help me to learn more?

(Other definitions for second that I've seen before include "Back-up; short time" , "Further opportunity" , "Unit of time - after No 1" , "Position of runner-up" , "Instant - support" .)

I've seen this clue in The Telegraph.

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