Yes the man from China will need a visa to visit the U.K.
Yes, Chinese citizens need a visa to visit South Korea.
you need the schengen visa
no
yes but it has to be an American visa.
This visa is not necessary.
there is no visa for moroccans who want visit south korea
Yes.
yes
Yes
Yes
yes
Does an italian citizens need a visit visa to dubai or can get it on the place upon arrival