Educator (noun)

1. A person who teaches, instructs or trains others.
2. A person who is engaged in the profession of teaching.

Origin:

From the latin word "educare" meaning "to bring up, rear, or train".

Examples:

1. She is a highly respected educator in her field.
2. He is an experienced educator who has taught at the university level.
3. The educator must be able to inspire and motivate the students.
4. She became an educator in order to make a positive difference in the lives of young people.
5. He is a passionate educator who is dedicated to his students.