Dear 
@captainkent thank you for your effort to help me and for editing the file for me.
But unfortunately, perhabs I am so dump that I couldn't manage to autostart domoticz :(
Normally it is running OK with ./domoticz command
root@domoticz:/home/domoticz/domoticz # ./domoticz
2018-01-26 13:58:32.117  Domoticz V3.8849 (c)2012-2018 GizMoCuz
2018-01-26 13:58:32.117  Build Hash: 546758a3, Date: 2018-01-25 11:06:56
2018-01-26 13:58:32.117  Startup Path: /usr/home/domoticz/domoticz/
2018-01-26 13:58:32.157  PluginSystem: Started, Python version '3.5.4'.
2018-01-26 13:58:32.158  Active notification Subsystems: gcm, http (2/14)
2018-01-26 13:58:32.159  WebServer(HTTP) started on address: 0.0.0.0 with port 8080
2018-01-26 13:58:32.161  WebServer(SSL) started on address: 0.0.0.0 with port 443
2018-01-26 13:58:32.161  Proxymanager started.
2018-01-26 13:58:32.161  Starting shared server on: 0.0.0.0:6144
2018-01-26 13:58:32.161  TCPServer: shared server started...
2018-01-26 13:58:32.161  RxQueue: queue worker started...
2018-01-26 13:58:34.166  EventSystem: reset all events...
2018-01-26 13:58:34.166  EventSystem: reset all device statuses...
2018-01-26 13:58:34.178  Python EventSystem: Initalizing event module.
2018-01-26 13:58:34.179  EventSystem: Queue thread started...
2018-01-26 13:58:34.179  EventSystem: Started
2018-01-26 13:58:34.642  PluginSystem: Entering work loop.
My domoticz directory :
root@domoticz:/home/domoticz/domoticz # ls
.git					domoticz.sh			 notifications
.gitattributes		  dzVents				 plugins
.github				 getgit.cmake			push
.gitignore			  hardware				README.md
.travis.yml			 History.txt			 scripts
appversion.default	  httpclient			  server_cert.pem
appversion.h			INSTALL.md			  smtpclient
appversion.h.txt		json					sqlite
appveyor.yml			libusb				  tcpserver
cmake_install.cmake	 License.txt			 tinyxpath
CMakeCache.txt		  lua					 tools
CMakeFiles			  main					updatebeta
CMakeLists.txt		  makebeta				updatedomo
Config				  Makefile				updaterelease
CPackConfig.cmake	   makerelease			 webserver
CPackSourceConfig.cmake Manual				  www
domoticz				MQTT					zip
domoticz.db			 msbuild				 zlib
domoticz.db file is here so I edited that part on the file you sent...
My edited version : ( I tried the username as root and domoticz )
#! /bin/sh
#
#
# PROVIDE: domoticz
# REQUIRE: LOGIN cleanvar
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf to enable domoticz:
#
#domoticz_enable (bool): set to "YES" to start domotics at boot
#domoticz_dbdir (str):   Default to "/var/db/domoticz"
#						domoticz database directory
#domoticz_user (str):	Default to www, user for starting domoticz
#domoticz_group (str):   Default to www, group for stating domoticz
#domoticz_pidfile (str): Custum PID file path and name
#						Default to "/var/run/domoticz/${hostname}.pid".
#domoticz_args (str):	Custom additional arguments to be passed
#
. /etc/rc.subr
name="domoticz"
rcvar="domoticz_enable"
stop_cmd="${name}_stop"
load_rc_config $name
: ${domoticz_dbdir:="/home/domoticz/domoticz"}
: ${domoticz_user:=domoticz}
: ${domoticz_group:=domoticz}
: ${domoticz_enable:=NO}
: ${domoticz_directory:=/home/domoticz/domoticz/domoticz}
: ${domoticz_args:="-syslog -daemon"}
#: ${domoticz_args:="-syslog -dbase /home/domoticz/domoticz/domoticz.db -daemon -wwwbind 0.0.0.0 -p /var/run/domoticz_1.pid"}
pidfile=${domoticz_pidfile:-"/var/run/domoticz/${hostname}.pid"}
command="/home/domoticz/domoticz/domoticz"
command_args="-dbase ${domoticz_dbdir}/domoticz.db -pidfile ${pidfile} ${domoticz_args}"
domoticz_stop() {
		if [ -e "${pidfile}" ]; then
				echo "Stopping ${name}..."
				kill -9 `cat ${pidfile}`
				rm ${pidfile}
		else
run_rc_command "$1"
-----------------------------------------------------------------------
rc.conf file is :
portmap_enable="NO"
sshd_enable="NO"
sendmail_enable="NO"
sendmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"
hostname="domoticz"
devfs_enable="YES"
devfs_system_ruleset="devfsrules_common"
domoticz_enable="YES"
 
--------------------------------------------------------------
What could be the problem?