Apart from the Vedic Brahmins, the Buddha's lifetime coincided with the flourishing of influential Śramaṇa schools of thought like Ājīvika, Cārvāka, Jainism, and Ajñana. Brahmajala Sutta records sixty-two such schools of thought. In this context, a śramaṇa refers to one who labors, toils, or exerts themselves (for some higher or religious purpose). It was also the age of influential thinkers like Mahavira,Pūraṇa Kassapa, Makkhali Gosāla, Ajita Kesakambalī, Pakudha Kaccāyana, and Sañjaya Belaṭṭhaputta, as recorded in Samaññaphala Sutta, whose viewpoints the Buddha most certainly must have been acquainted with. [note 9] Indeed, Sariputta and Moggallāna, two of the foremost disciples of the Buddha, were formerly the foremost disciples of Sañjaya Belaṭṭhaputta, the sceptic; and the Pali canon frequently depicts Buddha engaging in debate with the adherents of rival schools of thought. There is also philological evidence to suggest that the two masters, Alara Kalama and Uddaka Ramaputta, were indeed historical figures and they most probably taught Buddha two different forms of meditative techniques.  Thus, Buddha was just one of the many śramaṇa philosophers of that time.  In an era where holiness of person was judged by their level of asceticism, Buddha was a reformist within the śramaṇa movement, rather than a reactionary against Vedic Brahminism.