According to Merriam-Webster Online:
Main Entry: care搭ree
Pronunciation: 'ker-"frE, 'kar-
Function: adjective
: free from care: as a : having no worries or troubles
While WYZ was the one dubbed as the Carefree Man, that seems rather hardly to be the case in DGSD. The happy-go-lucky LCH might be a more suitable candidate for a true carefree man, yet he was also not entirely having no worries or troubles. Another strong candidate would be ZBT. How about the Sweeper Monk, with his enlightenment can he be considered carefree?
So, who was the real carefree man in JY's universe?
Edit: Not too sure whether SPT can qualify as a candidate or not. What do you guys think?