What specific warnings or guidelines for conduct does Chapter 12 provide for a spiritual seeker?

Chapter 12 provides several distinct warnings for spiritual aspirants. It strongly advises against having the "chaos of mixing castes" and warns against the pretense of caste pride. Simultaneously, it cautions seekers not to become negligent of the duties prescribed by their class and stage of life (Varnashram Dharma). The text also warns against becoming a "heretical scholar." As detailed in Chapter 12, one should avoid the company of those who are learned but swell with "dry pride" and disparage the path of devotion, as their end does not seem good. The core guidance is to abandon intellectual arrogance and instead cultivate firm faith at the feet of a saint, which is presented as the true path to destroying ignorance.