The bank i trusted with my life just didn't return the favour

I'm holding a business account with FNB and would like to know if this is how you treat all your clients or this is only happen to me because im a black female who's trying to make a living.... My Business Account was blocked without any communication from the bank as to why my account is gonna be frozen with my business Money in it....We are living in cruel world where by some clients that we are helping within the business don't want to see us succeed in the farming business industry....can FNB please intervene before my business get destroyed by the jealous ones...im very disappointed by the bank i trusted my business and my Money 😢😢😢 ....This has resulted to my business drawning to un expected debt please help me get my business back to it usual functioning....