a Chandala, or a twice-born one, or a Sudra, or an ascetic, or perhaps some supreme Yogi with his mind full of the discrimination of Reality," the Yogis themselves go their way neither pleased nor displeased in mind .
[The Chandala is accursed beyond the pale of the four castes , while the Sudra belongs to the fourth caste. The Brahmana, Ksatriya, and Vaisya form the three twice-born castes.]
हिंसाशून्यमयललभ्यमशनं धात्रा मरुत्कल्पितं |
97. (If) for serpents (even) air has been provided by the Creator as food obtainable without killing or toiling ; (if ) beasts are contented with feeding on grass-sprouts and lying on ground; for men (also} with intelligence strong enough to lead across the ocean of transmigratory existence, some such livelihood has been created; and those who seek this have all their gunas invariably brought to their final dissolution
[When the ganas sattva, rajas, and tamas-- are finally reduced to the inactivity of equipoise, the Yogi reaches beyond Maya.
The last line may also be interpreted differently--- "But in rummaging for it all one's virtues are apt to come to an end."]