Translation of derrotista

I congratulate you on your move to become a private Spanish teacher. People need to believe in you and the most important thing is that you need to believe in yourself. It won't be easy at the beginning.
Every school has some narrow minded teachers who are not willing in investing in progressive educational process. They do not grasp that schooling methods today are different from last century's methods.
After the bar we sailed back with the ferry to the other side, the side of the financial district, because there were some Halloween parties in the different bars at the Lan Kwai Fong street.