Gargy

(gar-gue) Noun
1 a person who is subject to another persons to-do-list.

2 a person who does what he/she is told to do, especially really crappy tasks and or jobs.

Hey, Gargy, go get me a beer from the fridge and make me sandwich, pronto!
I'll tell my Gargy to take the trash out for me and go grab us lunch!