vairāgīra - of a person in the renounced order; kṛtya - duty; sadā - always; nāma-saṅkīrtana - chanting the holy name of the Lord; śāka - vegetables; patra - leaves; phala - fruit; mūle - by roots; udara-bharaṇa - filling the belly.

“The duty of a person in the renounced order is to chant the Hare Kṛṣṇa mantra always. He should satisfy his belly with whatever vegetables, leaves, fruits and roots are available.