I am assuming you mean a loose collation of people rather than having one single united base. Such as people who are loners can invite under one banner insuring a moderate peace pack and safety, but without having to give away your base. That would be a neat idea. If you are just inviting anyone then within 24 hours your base will be leveled. People wouldnt even need Alts they could just say they want to apply and then pow raid you endlessly. Best of luck with your new faction! May your harvests grow!