According to search-discovered classical Islamic scholarship, the concept of **Al-Sadd 'an Sabeel Allah** (الصد عن سبيل الله) refers to the grave sin of actively and deliberately obstructing, hindering, or turning people away from the path of Allah. Tafsir literature, such as the works of Ibn Kathir and Al-Tabari, clarifies that this is not mere personal disbelief, but a hostile action aimed at preventing others from accessing divine truth. Verse 9:34 specifically highlights how corrupt religious leaders can be perpetrators, using their status and ill-gotten wealth to mislead their followers. The Quran describes this act as a characteristic of arrogant disbelievers (47:1) and hypocrites (63:2) and warns of severe consequences, including the loss of all good deeds and a painful chastisement. The linguistic root 'ṣadda' implies a forceful aversion or blockage, illustrating the aggressive nature of this sin. Therefore, turning people away from Allah's path is considered a profound injustice, as it seeks to sever humanity's connection to divine guidance and mercy.