Liberal visiting plotters annoyed revolutionary Spanish gentlemen (10)

I believe the answer is:

caballeros

I'm a little stuck... Click here to teach me more about this clue!

'spanish gentlemen' is the definition.
'caballeros' can be an answer for 'gentlemen' (I have seen 'Foreign gentlemen' mean 'caballeros' so perhaps 'gentlemen' could also mean 'caballeros'). I'm unsure of the 'spanish' bit.

'liberal visiting plotters annoyed revolutionary' is the wordplay.
'liberal' becomes 'l' (abbreviation).
'visiting' is an insertion indicator.
'plotters' becomes 'cabal' (I have seen 'Secret plotters' mean 'cabal' so perhaps 'plotters' could also mean 'cabal').
'annoyed' becomes 'sore' (I've seen this in another clue).
'revolutionary' shows that the letters should be reversed in order (letters revolve around).
'sore' back-to-front is 'eros'.
'l' placed inside 'cabal' is 'caball'.
'caball'+'eros'='CABALLEROS'

Can you help me to learn more?

(Other definitions for caballeros that I've seen before include "Foreign gentlemen" , "Riders" .)

I've seen this clue in The Telegraph.

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