unable to withdraw

someone offer me to teach trading, first I deposit $5000 and it profit $1000, I have success try to withdraw it $6000. then he ask me to deposit more, I deposit $14.500 but he scare me it's not enough to reduce risk investment, and he help me deposit $3000, also ask me to deposit more until $42.000. But he ask to deposit more, I don't have money left, and he mad leaving me. I try to withdraw but it unable to withdraw. The total Deposit with my own money is $38.000, I lose a total of that amount.