Just one letter please
22d Colony founder, one fancifully showing prejudice towards cads. (6) O ? K I S T
I thought it might be OCKIST because an Ocker is an Australian cad??
Whilst I appreciate that CCS has its loyal followers I'd like to point out to anybody unaware of its existence that the frogman.net/ is an excellent site offering hints and limited answers to the Mephisto and Azed crosswords.