Work as cleaner, subject to following Legislative Assembly (7)
I believe the answer is:
launder
'work as cleaner' is the definition.
I can't judge whether this definition defines the answer.
'subject to following legislative assembly' is the wordplay.
'subject to' becomes 'under' (being subject to a law is being under it).
'following' is a charade indicator (letters next to each other).
'legislative assembly' becomes 'la' (this might be a standard abbreviation which I don't know about).
'under' put after 'la' is 'LAUNDER'.
Can you help me to learn more?
(Other definitions for launder that I've seen before include "address the filth in lucre?" , "Act illegally" , "Wash and iron clothes etc" , "Clean, clothes or mafia money" , "clean habits" .)