To be a leader is a big responsibility.
The best leader in the all world history is our beloved Rasool e pak s.a.w.
He remained in the Arab society for 40 years. & with his good character akhlaq & morals . He was called Sadiq & aamin . This means to be a good leader it is very important that people should trust you in to.
The 2nd example is of Quaid e Azam . You can read his biography (life history).
Then knowledge& a lot of patience are needed.
It is possible that if you are determined to do a good thing. Ask for help from Allah. Inshallah you will do it.