There is no need to be a manager or to have a team to think like a leader. I’m a Business Analyst, I Don’t have a team, but I learned how to think like a leader, and this is what I learned.
As a Business Analyst one of the soft skills that you need to master is think like a leader. Thinking Like A Leader is flows around 3 axes. Think Like A Leader, Talk Like a leader and Act Like a leader.