SB 8.7.38
asam prana-paripsunam
vidheyam abhayam hi me
etavan hi prabhor artho
yad dina-paripalanam
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
It is my duty to give protection and safety to all living entities struggling for existence. Certainly it is the duty of the master to protect his suffering dependents.