how come i work 40 hours a week and come to find out that i am put down for 20 to 30 hours a week? i am a key holder thats is a bunch of BS i am getting screwed out of paid vaction some please tell me what i do about that

I worked this year at the worst retail store in the world.i was lied to by managment robbed 3 times forced to work off the clock and overtime. talk to like a child, belittle, made to take deposits to bank at night alone at dangerous time.sexually assalted in the store pushed out the store by a high customer I was mislead by management and told after asking 3 times to take my vacation time that I had to be employed a year before i could use it that was a lie that the manager told me and the distric manager told me the same then had to quit after the last attempted robbery because the D.M told they staff that sacurity was no help so due to safety reasons I was forced to quit now that i have quit the job they took the vacation time that i worked for and was owed and begged for it was denied and lied to how unfair and how can this company be allowed to do this to people over and over again I do know that i brought a different level of customer service than most and sale will go down as long as Mrs.D is gone the store is now dirty nasty and not stocked you ask anyone at store 8118 about sweet Mrs.D I will be missed and I did call a lawyer thank but no thank u DOLLAR GENERAL