One who cares nothing about conflicts of interest.  "Hi, my company would like to build hotels in Taiwan."  "Oh hi, I'm US president-elect and I'm open to dissing China to make Taiwan happy (psst - remember, I still want to build those hotels).

https://www.theguardian.com/world/2016/dec/03/trumps-taiwan-phone-call-preceded-by-hotel-development-inquiry