He’s free with his political views (7)

I believe the answer is:

liberal

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'he's free' is the definition.
'liberal' can be an answer for 'free' (thesaurus). I'm unsure of the 'he's' bit.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for liberal that I've seen before include "Free - generous - politician" , "Bountiful" , "Progressive -- open-handed" , "magnanimous" , "enlightened" .)

I've seen this clue in the Evening Standard.

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