"Shy people" refers to individuals who feel nervous or uncomfortable in social situations and tend to avoid attention or interacting with others. Full definition
This is very convenient for shy people who are uncomfortable to begin chat with the individual they like, for instance in the clubs or bars. (blognewssite.com)
I'm a very shy person at first but once I'm comfortable, I am a chatter box. (loveawake.com)
I find myself to be a very shy person at first, but until I break out of it. (meetnativeamericans.com)