Sentence:  Werner Erhard's highly successful est <WSD>cult</WSD> is partly derived from Scientology. Erhard had some experience with Scientology in 1969. Then he worked for a while in Mind Dynamics, itself an offshoot of Jose Silva's Mind Control. 
Meaning of the word marked with <WSD> tags:  A group or sect of people with a deviant religious, philosophical or cultural identity, often existing on the margins of society or exploitative towards its members.