unvisor
/ˈʌnvaɪzər/Definitions
1. noun
A person who advises or consults, especially a person in a position of authority who advises or consults with others.
“The unvisor to the king played a crucial role in shaping the country’s foreign policy.”
2. verb
To advise or consult with someone, especially in a position of authority.
“The experienced manager was called to unvisors the young team leader.”