Example Sentences:

Ramayana:  During the emergency created by the king’s sudden death and the absence of his sons, Vashishtha officiated as the locum head of state.

Mahabharata:  When Pandu retired to the forest and Bhishma refused to step in as a locum king, Dhritarashtra ended up becoming the Kuru king despite his blindness.

Bhagavad-gita:  As soon as we stop being attentive, our mind steps in as the locum captain of our ship and starts steering it into unsafe waters.