A leader without a title is better than a title without the ability to lead.
Profit isn't a purpose, it's a result. To have purpose means the things we do are of real value to others.
A good leader takes care of those in their charge. A bad leader takes charge of those in their care.
If you can clearly articulate the dream or the goal, start.
I don't care about preaching to the converted.
Give someone responsibility and they will do their best. Make them accountable and they will do even better.