A type of Anācāra (2) (gross transgression of ascetic conduct);
to obtain bhikṣā (accepting food etc. by going to houses for collecting them in conformity with the canonical instruction) in the name of one's caste, family, clan, craft, work etc...
jātikulagaṇakarmaśilpānāmājīvanam ājīvaḥ tena vṛttistadbhāva ājīvavṛttitā.
(Da 3.6 HāVṛ Pa 117)