Revolutionary Polish setter's "little angels" (8)
I believe the answer is:
cherubim
'little angels' is the definition.
'cherubim' can be an answer for 'angels' (cherub is a kind of angel). I'm not certain of the 'little' bit.
'revolutionary polish setter's' is the wordplay.
'revolutionary' becomes 'che' (Che Guevara the Marxist revolutionary).
'polish' becomes 'rub' (polish meaning rub to make shiny).
'setter's' becomes 'im' (I've seen this in other clues).
'che'+'rub'+'im'='CHERUBIM'
Can you help me to learn more?
(Other definitions for cherubim that I've seen before include "Angelic Children, often winged" , "Angelic beings found with seraphim" , "Angelic beings grouped with seraphim" , "Angel" , "Angels depicted as winged children" .)