Kindly support (9)
I believe the answer is:
patronise
'support' is the definition.
(I know that patronise is a type of support)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for patronise that I've seen before include "Frequent as customer" , "champion" , "Finance" , "Give encouragement or treat with condescension" , "Talk down to" .)