One verse

Srimad Bhagavatam 11.18.42

11.18.42

भिक्षोर्धर्म: शमोऽहिंसा तप ईक्षा वनौकस: । गृहिणो भूतरक्षेज्या द्विजस्याचार्यसेवनम् ॥ ४२ ॥

bhikṣor dharmaḥ śamo ’hiṁsā tapa īkṣā vanaukasaḥ gṛhiṇo bhūta-rakṣejyā dvijasyācārya-sevanam

bhikṣoḥ
of a sannyāsī
dharmaḥ
the main religious principle
śamaḥ
equanimity
ahiṁsā
nonviolence
tapaḥ
austerity
īkṣā
discrimination (between the body and the soul)
vana
in the forest
okasaḥ
of one dwelling, a vānaprastha
gṛhiṇaḥ
of a householder
bhūta-rakṣā
offering shelter to all living entities
ijyā
performance of sacrifice
dvi-jasya
of a brahmacārī
ācārya
the spiritual master
sevanam
serving

The main religious duties of a sannyāsī are equanimity and nonviolence, whereas for the vānaprastha austerity and philosophical understanding of the difference between the body and soul are prominent. The main duties of a householder are to give shelter to all living entities and perform sacrifices, and the brahmacārī is mainly engaged in serving the spiritual master.