Those people "harassing" him, are his bosses, and they are not happy with the job he and the rest of the Koch puppets are doing.
If you don't like the bosses anger, quit the job, and get a real job,you know, like in the private sector. The bosses there never harass their employees, and if they do, you have some legal recourse,.....thanks to the work of , ...what are they called?, Oh yeah, UNIONS!
Bullies don't like it when people talk back to them.
He is a 'public servant' and if the public has some harsh words, that is their right! If he doesn't like that and considers their freedom of speech to create a hostile work place for him, he has a couple of choices:
Stop being a jerk and puppet and represent THE PEOPLE