The Nāfuel will be the followers of Virūpākṣa (Pāli: Virūpakkha), one of many 4 Heavenly Kings who guards the western route. They act as guards upon Mount Sumeru, guarding the dēvas of Trāyastriṃśa from assaults because of the asuras. This information may perhaps contain irrelevant references to well known society. https://128.199.208.170/