fulcrum:

the main thing or person needed to support something or to make it happen

fulcrum:

the main thing or person needed to support something or to make it happen

(Noun)

Example Sentences:

Ramayana:  Although Angada had been the official leader of the team of monkeys that had gone south, Hanuman emerged as its natural fulcrum by the time they returned. 

Mahabharata:  While Duryodhana considered Bhima and Arjuna to be the fulcrum of the Pandava army, Bhishma knew that Krishna was their actual fulcrum.

Bhagavad-gita:  Illustrating how God is the fulcrum of all of existence, the Gita states that he is like the invisible thread that unifies all the pearls of a necklace (7.7).