During the 19th cent., the Wahhābīs in alliance with the Saʿūd family began to expand territorially. Within the new kingdom of Saudi Arabia, the Wahhābīs became dominant in conservative control, introducing mutawwiʿūn, ‘enforcers of obedience’, a kind of private religious police, monitoring not only public but also private conformity to Islam (since before Allāh there is no distinction between private and public).
"Wahhābīya." The Concise Oxford Dictionary of World Religions. . Encyclopedia.com. (August 15, 2018). http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/wahhabiya
"Wahhābīya." The Concise Oxford Dictionary of World Religions. . Retrieved August 15, 2018 from Encyclopedia.com: http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/wahhabiya