Taking on English politician making false claims about leader of opposition (9)

I believe the answer is:

employing

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'taking' is the definition.
The answer and definition can be both related to consumption as well as being present participle verbs.
Maybe they are linked in a way I don't understand?

'english politician making false claims about leader of opposition' is the wordplay.
'english' becomes 'E' (abbreviation).
'politician' becomes 'MP' (Member of Parliament).
'making false claims' becomes 'lying' (I am not sure about this - if you are sure you should believe this answer much more).
'about' means one lot of letters goes inside another.
'leader of' suggests taking the first letters.
The first letter of 'opposition' is 'o'.
'lying' going around 'o' is 'loying'.
'e'+'mp'+'loying'='EMPLOYING'

'on' is the link.

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I've seen this clue in The Guardian.

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