Worst of the worst

Hi I went for a meet and greet before asked for volunteers to help out at another nearby located company for the remainder of the day. Which was 7 March 2025 already. Payment for mentioned day was supposed to be done 20 March 2025 already. On the day of 19 March 2025 I still called in to check if all documents are in order to avoid any issues that might arise to delay payment process and guess what? Leonard told me everything's in order and to expect payment 20 March anytime between 15:00 - 18:00. I've been calling after him ever since that day. He doesn't pick up my calls and when he picked the one time he said there was 1 document needed which was my copy of ID, which I found weird bcoz it was attached to my cv. Then told me to expect payment that week following coz he can only deal with it Monday when back at office. Since then I've been calling him and left numerous messages on whatsapp. Even when he just posted jobs I would immediately message or call but ignores the hell out of it. How can a group like that play around with unemployed peoples money like that? I borrowed from people to get there that day and had to borrow a few times to call and buy data to message and so forth. Only not to get any answers or payment up until now. Spoke to a lady as well where she told me to go to the office rather but the expense to go there doesn't make sense as it's probably equally the same the money they're supposed to pay up already. What to do? This is unfair and what they're doing isn't right