Praticāraka (one who helps in purification); that ascetic (Muni), who is adept at purification of the ascetic conduct, of oneself or others, specially at the time of undertaking Anaśana (fasting unto death).
pādovagame iṃgiṇi, duvidhā khalu hoṃti āyanijjavagā.
nijjavaṇā ya pareṇa va, bhattapariṇṇāya bodhavvā...
(VyaBhā 4221)
cāritrasya paryantasamaye niryāpakā eva yathāvasthitaśodhipradānata uttarottaracāritranirvāhakāḥ.
(VyaBhā 4164 Vṛ)