Rector (noun)

1. A person who governs or administers the affairs of a church or parish.
2. A person who governs or administers the affairs of a school or college.
3. The head of a university or college.

Origin:

From latin rector "ruler, guide, teacher".

Examples:

1. The rector of the church was very popular among the parishioners.
2. The rector of the school was known for his strict discipline.
3. The rector of the university was invited to give the keynote address.
4. The rector is the person responsible for running the daily activities of the church.
5. The rector is the chief administrative officer of the school.