They are undeceivers. These see past the self renderings and popular views into the stark necessities and purposes at hand.
They do not need to be told. Once directed to accomplish their tasks these take personal responsibility for everything through delivery, even stakeholder perception.
It may seem trite, like “consultants” what are they good for? Those with a tightly integrated game are a measure above normal team players. The vantage those so skilled offer is an asset beyond the mere sum of competent parts.
The difference may be that between a complex project which feels integrated and whole, or a bunch of similar working pieces that at times misalign.