Āśrama-dharma: Duties of the Four Life-Stages (आश्रमधर्मः)
यं च कज्चिद् द्विजातीनां शूद्र: शुश्रूषुराव्रजेत्
yaṃ ca kaścid dvijātīnāṃ śūdraḥ śuśrūṣur āvrajet
ਅਤੇ ਜੇ ਕੋਈ ਸ਼ੂਦਰ ਆਦਰ ਨਾਲ ਸੇਵਾ ਕਰਨ ਦੀ ਇੱਛਾ ਰੱਖ ਕੇ ਦਵਿਜਾਂ ਵਿੱਚੋਂ ਕਿਸੇ ਦੇ ਕੋਲ ਆਵੇ…
भीष्म उवाच
The verse frames a dharmic scenario in which a Śūdra, motivated by śuśrūṣā (respectful service and attendance), approaches a member of the twice-born classes; it introduces norms of conduct centered on service, humility, and social duty.
In Śānti Parva, Bhīṣma is instructing Yudhiṣṭhira on dharma. Here he begins a conditional statement about a Śūdra who approaches a dvijāti with the intention to serve, setting up the rule or consequence that follows in the subsequent verse(s).