Leadership is when you have X number of people who trust you to the point of:

When you can share your ideas with them, they will join and support you, no questions asked.

What happens as X increases?

Passionate about big problems.                  Unaffiliated with any organization

Note: if the above situation happens, always ask them for their opinion on the direction and idea, in general.

Empower others by encouraging vulnerability and disagreement.

Be humble enough to say “you are right, and I was wrong”.