Madhya 24.163

The thirteen varieties mentioned are (1) sadhaka, the neophyte performer; (2) brahmamaya, one absorbed in the thought of impersonal Brahman; (3) prapta-brahma-laya, one who has actually attained Brahman perfection; (4) mumuksu, the desirer of liberation; (5) jivan-mukta, one who is liberated in this life; (6) prapta-svarupa, one who has attained one's original consitutional position; (7) nirgrantha-muni, a completely liberated saint; (8) sagarbha-yogaruruksu, a yogi meditating upon the four-handed Visnu form or desiring yogic perfection; (9) nigarbha-yogaruruksu, one who has attained perfection in impersonal meditation; (10) sagarbha-yogarudha, already elevated to the yoga perfection platform; (11) nigarbha-yogarudha, similarly impersonal yogi; (12) sagarbha-prapta-siddhi, one who has already attained the perfectional stage; (13) nigarbha-prapta-siddhi, one who has attained perfection by impersonal meditation.