Having sworn to uphold the beliefs of your caste it is now unsafe for you to remain a member of society. go forth , build, prosper and convert other to the only truth. Soon the non believers will burn for their transgressions. Rumour of your exile have spread wide , many will come to observe many will try to join but not all will be worthy.
For a long time you have suspected that the leaders of your tribe are preparing to exile you , in preparation you stole and sent ahead some autopilot shuttles packed with supplies some of which have already arrived and others that have been in stable orbit ready to deploy in your chosen location. How much has survived the landing is yet to be seen. In addition by pooling all your money together you have paid some locals to go ahead and build some tech in preparation for your arrival. Unfortunately without coordination these may be scattered across the map.
Notes: You have exiled reasonably well prepared to establish a new colony. This is an easier start for those who wish to try the ideologies without too much struggle to start with