Ok so what should i do?

i got to job corp everyday i get called caveman im sick of that its total disrespect girls treat me bad and make fun of me im 19 i cant walk away from this **** cause i dont have anything to lose i have my high school diploma and i get get a degree in the city i live but thats what i go through everyday i have been told im not good enough for any of the girls here and im actually starting to believe it which is ****** up but i just wanna know what i should do