śamo damas tapaḥ śaucaṁ kṣāntir ārjavam eva ca jñānaṁ vijñānam āstikyaṁ brahma-karma svabhāva-jam

Unless one is qualified with all these attributes, he cannot be accepted as a brahmana. It is not a question of simply taking birth in a brahmana family. In this regard, Srila Bhaktisiddhanta Sarasvati Thakura remarks that Narottama dasa Thakura and Syamananda Gosvami, although not born in brahmana families, are accepted as bona fide spiritual masters because they were brahmanas by qualification. Personalities like Sri Gaṅga-narayana, Ramakrsna and many others, who were actually born in brahmana families, accepted Narottama dasa Thakura and Syamananda Gosvami as their spiritual masters.

The maha-bhagavata is one who decorates his body with tilaka and whose name indicates him to be a servant of Krsna by the word dasa. He is also initiated by a bona fide spiritual master and is expert in worshiping the Deity, chanting mantras correctly, performing sacrifices, offering prayers to the Lord, and performing saṅkirtana. He knows how to serve the Supreme Personality of Godhead and how to respect a Vaisnava. When one has attained the topmost position of maha-bhagavata, he is to be accepted as a guru and worshiped exactly like Hari, the Personality of Godhead. Only such a person is eligible to occupy the post of a guru. However, if one is highly qualified but is not a Vaisnava, he cannot be accepted as a guru. One cannot be a brahmana unless one is a Vaisnava. If one is a Vaisnava, he is already a brahmana. If a guru is completely qualified as a Vaisnava, he must be accepted as a brahmana even if he is not born in a brahmana family. The caste system method of distinguishing a brahmana by birth is not acceptable when applied to a bona fide spiritual master. A spiritual master is a qualified brahmana and acarya. If one is not a qualified brahmana, he is not expert in studying Vedic literatures. Nana-sastra-vicaranaika-nipunau. Every Vaisnava is a spiritual master, and a spiritual master is automatically expert in brahminical behavior. He also understands the Vedic sastras.

Similarly, a disciple's qualifications must be observed by the spiritual master before he is accepted as a disciple. In our Krsna consciousness movement, the requirement is that one must be prepared to give up the four pillars of sinful life-illicit sex, meat-eating, intoxication and gambling. In Western countries especially, we first observe whether a potential disciple is prepared to follow the regulative principles. Then he is given the name of a Vaisnava servant and initiated to chant the Hare Krsna maha-mantra, at least sixteen rounds daily. In this way the disciple renders devotional service under the guidance of the spiritual master or his representative for at least six months to a year. He is then recommended for a second initiation, during which a sacred thread is offered and the disciple is accepted as a bona fide brahmana. Srila Bhaktisiddhanta Sarasvati Thakura introduced the system of giving the sacred thread to a bona fide Vaisnava, and we are also following in his footsteps. The qualifications of a bona fide disciple are described in Srimad-Bhagavatam (11.10.6) as follows: