fixer
US /ˈfɪk.sɚ/
UK /ˈfɪk.sɚ/

1.
arreglador, intermediario
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.
Trabajó como arreglador político, organizando tratos entre bastidores.
•
The crime boss had a personal fixer to handle all his dirty work.
El jefe del crimen tenía un arreglador personal para manejar todo su trabajo sucio.