Study / STUDYING IN POZNAN ( dont delete plz i need some advice!) [4]

hello guys,

i'm from Tangier and i applied for a master of mechatronics in poznan and i would like to ask some questions about that city

!what is the approx cost of living there?
is it possible to get a part time job ? and how much u can earn?
is it true that most people there are racist ??
after finishing my master will it be possible to find a job and settle there??
will it be possible to work after that in any other european country?
how much time will it take me to learn the polish language?

thanks in advance friends and sorry for too many questions! it is the first time i'm going to study abroad i'm really nervous..