Srila Prabhupada explains the meanng of surrender
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Devotee (1): A devotee becomes more surrendered because the influence of the modes, the three modes, becomes diminished, or is the influence just changed from ignorance and passion to goodness?
Srila Prabhupāda: The surrender means surrender to whom?
Devotee (1): To Kṛṣṇa and to Your Divine Grace.
Srila Prabhupāda: So that surrender means to accept his orders. The spiritual master trains the disciple in the way of goodness quality. So if you do not abide the orders of spiritual master, what is the use of your surrender? Surrender means ānukūlyasya saṅkalpaḥ prātikūlyasya varjanam (Hari-bhakti-vilāsa 11.676). Anukūla, favorable things, should be accepted. And you do not know.
Therefore spiritual master will direct you, “This is favorable. This is unfavorable. Don’t smoke—this is unfavorable.” But if you don’t accept the instruction, what is the meaning of surrender? Simply by offering obeisances, falling flat for the time being, that is not surrender.
Devotee (2): Daṇḍavat.
Srila Prabhupāda: Daṇḍavat class. Surrender means you must abide strictly the orders, sad-dharma-pṛcchā, ādau gurvāśrayam. To accept a guru means . . . Śiṣya means one must agree to be governed by the spiritual master. That is called śiṣya. Śiṣya . . . Śās-dhātu. From śās-dhātu all these terms—śāstra, śastra, śiṣya, śāsana—these are words derived from the root śās-dhātu.
Śās-dhātu means śāsana, governing. The governing is done by military, governing is done by law books, governing is done by personal instruction, so many things. So śiṣya means who voluntarily accepts to be guided or being governed by the representative of God. That is śiṣya.Srila Prabhupada’s Lecture on SB 6.1.41-42 — Surat, December 23, 1970