Loss of my capital

I lost my invested capital of almost 6000 us and nobody answers. I never received a single peso of my profits and they only ask for money. If they are a regulated broker, then they should at least protect the part of capital. When you are doing operations that is what they tell you that you cannot invest all the capital for protection so I don't understand how my account is without a balance

The following is the original recommendation

perdida de mi capital

perdí mi capital invertido de casi 6000 us y nadie responde nunca recibí un solo peso de mis ganancias solo piden y piden dinero si son un broker regulado con no proteger el capital al menos una parte ,cuando estás haciendo operaciónes eso te dicen que no podés invertir todo el capital por protección entonces no comprendo cómo mi cuenta está sin saldo