Fuktotum

Servant who is employed to do a wide variety of repulsive tasks and whose lack of integrity, criminal nature, and limited intellectual development is so evident from his face that seeing him is annoying.

The background of the word is some political commentators calling a factotum with the additional annoying feature of having unrefined facial expression.

He does every dodgy task for his boss and looks so unrefined: he’s a fuktotum