I have seen the debate of threads here about whether Kurapika is a girl or guy, and I was really surprised why not many people knew.
Kurapika is a guy. Haven't anyone read the manga? Haven't you seen this? This is my proof that he's indeed a guy.
This is the coverpage for tome 14 of the Hunter x Hunter manga. Look closely, though it's pretty obvious he's a guy.
Now what, convinced?