fixer
US /ˈfɪk.sɚ/
UK /ˈfɪk.sɚ/

1.
mediatore, facilitatore
a person who makes arrangements for other people, especially in a dishonest or illegal way
:
•
He worked as a political fixer, arranging deals behind the scenes.
Ha lavorato come mediatore politico, organizzando affari dietro le quinte.
•
The crime boss had a personal fixer to handle all his dirty work.
Il boss del crimine aveva un mediatore personale per gestire tutto il suo lavoro sporco.