Seer-
1.That ascetic (Muni), who is well acquainted with the evils of enjoying those sensual pleasures which have been renounced.
paṃḍiyā ṇāma cattāṇaṃ bhogāṇaṃ paḍiyāiyaṇe je dosā parijāṇaṃtī.
(Da 2.11 JiCū p. 92)
2.One who is equipped with the right knowledge.
paṇḍitāḥ-samyagjñānavantaḥ.
(DaHāVṛ Pa 99)
3.Ascetic- That Jīva (soul) who is totally abstinent, who is a scholar of the Tattva (category of truth), and also is self-restrained (ascetic).
viraiṃ paḍucca paṃḍie āhijjai.
(Sūtra 2.2.75)
phalavadvijnānasamyuktatvāt pandito-buddhatattvah samyata ityarthah.
(Sthā 3.519 Vṛ Pa 165)