What are the fundamental principles for spreading the Islamic call within rural and Bedouin communities?

Inviting people to Allah in rural communities requires considering the limited culture and educational level of their inhabitants, using phrases that suit their mental capacities. The fundamental principles for inviting them include: achieving monotheism (Tawhid), glorifying and loving Allah, teaching them individual obligations (furood al-ayan), warning them against major sins, forbidden acts, and innovations (bid'ah), teaching them the Prophet's سيرَة (biography), reviving their devotion to Allah (Rabbaniyyah), and educating them about the enemies' machinations to foster loyalty and disavowal (Al-Wala' wal-Bara'). The داعية (caller to Islam) is advised to fear Allah, be gentle, patient, and communicate with scholars.