Consigliere
Definition 1 of 1

Context
The term is often used within organized crime contexts, but can be applied in business settings as well.

In business, one might refer to a key advisor as a consiglieri.
Cultural Reference
Understanding the role of a consigliere often requires knowledge of mafia culture and structure.

In many crime films, the consigliere holds a critical role in strategy.
Formality
It's generally viewed as a formal term, lending weight to the position it describes.

Using the term casually might imply irony.
Compare with
advisecounselstrategymentor
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