advisor

noun
UK /ədˈvaɪzə/
US /ədˈvaɪzər/

A person who helps you decide what to do.

My teacher is my advisor for the science project.


OTHER MEANINGS

2. A teacher who helps students choose their classes.

I met with my academic advisor to plan next semester.

3. A person who gives expert advice to a company or government.

The president hired an advisor on energy policy.

4. A senior student who helps younger students.

Each new student gets a student advisor to show them around.