sramanah
śramaṇāḥ — thus exerting great endeavor; SB 11.2.20-21
śramaṇāḥ — strict observers of spiritual practices; SB 11.6.47
śramaṇāḥ — endeavoring diligently (for self-realization); SB 12.3.19
śramanāḥ — who perform severe physical penances; CC Adi 2.17