def destroy
      @admin = Admin.find(params[:id])
      @admin.destroy if @admin.overlord == 'N'

      respond_to do |format|
        format.html { redirect_to admin_administrators_path, notice: I18n.t("controllers.admin.administrators.destroy.flash.success") }
      end
    end
def destroy
      @admin = Admin.find(params[:id])
      @admin.destroy if @admin.overlord == 'N'

      respond_to do |format|
        format.html { redirect_to admin_administrators_path, notice: I18n.t("controllers.admin.administrators.destroy.flash.success") }
      end
    end
Delete the admin, one thing to remember is you are not allowed to destory the overlord.
 You are only allowed to destroy yourself unless you are the overlord.