MBD harassment

How does one go about suing this company for harassment. They phone from many different numbers and harass you for money. Rude arrogant pathetic excuse of a company. And thereafter I receive SMS messages about a womans account they bought off. if they want the money don't contact me im not that person go find your money don't harass me and phone me every God **** day expecting me to he the person you are looking for and your different phone numbers go and get a life this entire month I cannot use my phone because of your *********** and harassing behaviour just pathetic who is sponsoring you people minutes to phone and harass people please Cut their phone lines disconnect them and I want to be paid for every conversation I have with your consultants talk isn't cheap