Paṭisevitar [agent noun of paṭisevati] one who practises, pursues or indulges in (accusative) A III 143 f. (bhesajjaṃ).
(masc, masc, agent, from paṭisevati) (of sexual intercourse) who practices; who indulges; who engages (in) Construction: pati + √sev + itar