The lay (non-ordained) minister who leads the hymns and the responsorial psalms is called the cantor.
Cantor
the Pope
The person who leads the prayers is called a 'cantor'.
The difficulties are different for each person. It depends on their ability but usually the difficulties are related to posture, failure to breathe the proper way for singing and not doing proper vocal exercises which leads to straining.
The duty of the choir in the church is to practice weekly and to lead in the singing on sundays. They should also give special numbers for Easter and Christmas, and also visit houses at the carol round.
This person leads a country
A Cantor Sings in the worship services in a Synagogue. It's a Jewish person who worships and leads the singing in a synagogue. I am actually reading a book about it right now. Very interesting ;)
The sentence "It leads you to the path to become a successful person" is grammatically correct.
Pope Benedict XVI.
The person who leads a council meeting cab be called the chairperson.
Roman Catholic AnswerThe Bishop has the fullness of Christ's priesthood and leads His Diocese. He appoints priests, who share in his priesthood, and lead the individual parishes. The primary "service" for a Catholic is the Holy Mass, called the Eucharist, and it can only be celebrated by a priest or Bishop.
Jesus continues to lead the Catholic Church through his vicar on earth, Pope Benedict XVI.