nathan

bhūta-nāthān — to such leaders of the ghosts as Bhairava; SB 6.11.17
ananya-nāthān — especially for the cowherd boys, who did not know anyone except Kṛṣṇa; SB 10.12.27
sva-nāthān — those who accepted only Him as their master; SB 10.15.49-50
nāthān — a master; SB 10.41.12