Sannyāsa means that finishing all material desires. The sannyāsa means, real sannyāsa, means no more material desires. It is the beginning of spiritual life. Etāṁ sa āsthāya parātma-niṣṭhā. Parātmā, Bhagavān . . . to completely devote one's life for service of the Lord. There are āśramas, four āśramas: brahmacārī, gṛhastha, vānaprastha and sannyāsa. So sannyāsa means everything sacrificed for Kṛṣṇa's sake. Anāśrita-karma-phalaṁ kāryaṁ karoti yaḥ, sa sannyāsī (BG 6.1): anyone who is working without any aspiration for resultant action. Our sannyāsīs, they work very hard, preach, they collect money—but not a single farthing for himself. The first of all, the brahmacārī is trained up. Brahmacārī guru-kule vasan dānto guror hitam (SB 7.12.1). Brahmacārī is trained up to live at the place of guru for the benefit of guru. The same principle, when it is matured and when one dedicates his life for the benefit of Kṛṣṇa . . .
Benefit of Kṛṣṇa means benefit of the whole world. Kṛṣṇa wants sarva-dharmān parityajya mām ekaṁ śaraṇaṁ vraja (BG 18.66). A sannyāsī should go door to door. Mahad-vicalanaṁ nṛṇāṁ grhiṇāṁ dīna-cetasām (SB 10.8.4). A sannyāsī is called mahātmā. Why he is mahātmā? Because his ātmā is now broader. Gṛhiṇāṁ dīna-cetasām. Mahad-vicalanam. Mahātmā travels or wanders country to country, door to door—mahad-vicalanaṁ nṛṇāṁ gṛhiṇām—especially for the householders, dīna-cetasām, whose consciousness or mind is very crippled. They are dīna-cetasām. All these materialistic person, they are simply interested how to enjoy senses; therefore they are called dīna-cetasām, cripple-minded. They have no other idea. So to enlighten them it is the duty of the sannyāsī to go from door to door, country to country, just to teach them about the aim of life. That is still going on in India. Still, if a sannyāsī goes in a village, people will come to invite him, try to hear from him.
So you are taking this pledge for serving in front of Kṛṣṇa, Vaiṣṇava, guru and fire. So you shall be very much cautious not to forget your duty. You have got good opportunity. You are going to Africa to deliver these persons. Śukadeva Gosvāmī says, kirāta-hūṇāndhra-pulinda-pulkaśā ābhīra-śumbhā yavanāḥ khasādayaḥ, ye 'nye ca pāpā (SB 2.4.18). These groups of men are considered very fallen, kirāta, the black men. They are called niṣāda. Niṣāda was born of Vena, King Vena. So they are habituated to steal; therefore they have been given a separate place, African jungles. That is there in the Bhāgavatam. So . . . but everyone can be delivered. Kirāta-hūṇāndhra-pulinda-pulkaśā ābhīra-śumbhā yavanāḥ khasādayaḥ ye 'nye ca pāpā. These are known as sinful life. But Śukadeva Gosvāmī says, "There may be others which is not mentioned here." Ye 'nye ca pāpā yad-apāśrayāśrayāḥ: "If they take shelter of a Vaiṣṇava," śudhyanti, "they become purified."