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Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
A devotee must execute his prescribed duties, which are glorious, without material profit. Without excessive violence, one should regularly perform one’s devotional activities.
Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
One has to execute his prescribed duties according to his social position as a brahmana, ksatriya, vaisya or sudra. The prescribed duties of the four classes of men in human society are also described in Bhagavad-gita. The activities of brahmanas are to control the senses and to become simple, clean, learned devotees. The ksatriyas have the spirit for ruling, they are not afraid on the battlefield, and they are charitable. The vaisyas, or the mercantile class of men, trade in commodities, protect cows and develop agricultural produce. The sudras, or laborer class, serve the higher classes because they themselves are not very intelligent.
From every position, as confirmed in Bhagavad-gita, sva-karmana tam abhyarcya: one can serve the Supreme Lord by performing one’s prescribed duty. It is not that only the brahmanas can serve the Supreme Lord and not the sudras. Anyone can serve the Supreme Lord by performing his prescribed duties under the direction of a spiritual master, or representative of the Supreme Personality of Godhead. No one should think that his prescribed duties are inferior. A brahmana can serve the Lord by using his intelligence, and the ksatriya can serve the Supreme Lord by using his military arts, just as Arjuna served Krsna. Arjuna was a warrior; he had no time to study Vedanta or other highly intellectual books. The damsels in Vrajadhama were girls born of the vaisya class, and they engaged in protecting cows and producing agriculture. Krsna’s foster father, Nanda Maharaja, and his associates were all vaisyas. They were not at all educated, but they could serve Krsna by loving Him and by offering everything to Him. Similarly, there are many instances in which candalas, or those lower than sudras, have served Krsna. Also, the sage Vidura was considered a sudra because his mother happened to be a sudra. There are no distinctions, for it is declared by the Lord in Bhagavad-gita that anyone engaged specifically in devotional service is elevated to the transcendental position without a doubt. Everyone’s prescribed duty is glorious if it is performed in the devotional service of the Lord, without desire for profit. Such loving service must be performed without reason, without impediment, and spontaneously. Krsna is lovable, and one has to serve Him in whatever capacity one can. That is pure devotional service.
Another significant phrase in this verse is natihimsrena, “with minimum violence or sacrifice of life.” Even if a devotee has to commit violence, it should not be done beyond what is necessary. Sometimes the question is put before us: “You ask us not to eat meat, but you are eating vegetables. Do you think that is not violence?” The answer is that eating vegetables is violence, and vegetarians are also committing violence against other living entities because vegetables also have life. Nondevotees are killing cows, goats and so many other animals for eating purposes, and a devotee, who is vegetarian, is also killing. But here, significantly, it is stated that every living entity has to live by killing another entity; that is the law of nature. Jivo jivasya jivanam: one living entity is the life for another living entity. But for a human being, that violence should be committed only as much as necessary.
A human being is not to eat anything which is not offered to the Supreme Personality of Godhead. Yajña-sistasinah santah: one becomes freed from all sinful reactions by eating foodstuffs which are offered to Yajña, the Supreme Personality of Godhead. A devotee therefore eats only prasada, or foodstuffs offered to the Supreme Lord, and Krsna says that when a devotee offers Him foodstuffs from the vegetable kingdom, with devotion, He eats that. A devotee is to offer to Krsna foodstuffs prepared from vegetables. If the Supreme Lord wanted foodstuffs prepared from animal food, the devotee could offer this, but He does not order to do that.
We have to commit violence; that is a natural law. We should not, however, commit violence extravagantly, but only as much as ordered by the Lord. Arjuna engaged in the art of killing, and although killing is, of course, violence, he killed the enemy simply on Krsna’s order. In the same way, if we commit violence as it is necessary, by the order of the Lord, that is called natihimsa. We cannot avoid violence, for we are put into a conditional life in which we have to commit violence, but we should not commit more violence than necessary or than ordered by the Supreme Personality of Godhead.