adviser
US /ədˈvaɪ.zɚ/
UK /ədˈvaɪ.zɚ/

1.
a person who gives advice, especially someone who is an expert in a particular field
:
•
She works as a financial adviser for a large bank.
•
He sought advice from his legal adviser.
a person who gives advice, especially someone who is an expert in a particular field