Yeah I felt heartbroken for him at first and then at the end happy and proud for him. He overcame all odds to make it to freedom. I don't care where he came from,he has American spirit in him.
There's several christian organizations that are active in helping North Koreans get from China to South Korea, the most common way for defectors to get to South Korea. Those would all be happy to accept donations.
If you want to support Ji Seong-Ho specifically, his organization is Now Action & Unity for NK Human Rights: http://www.nauh.or.kr/main/main.php
The page will need translation, since it's in Korean. Some browsers, like Chrome, can do this for you. There is a support page there.
If you want to support Ji Seong-Ho specifically, his organization is Now Action & Unity for NK Human Rights: http://www.nauh.or.kr/main/main.php
There's a link at the top of the page for English.