You are willing to help people who really needs..... Nice to hear... I love the same....
Ok then you can do this in Yahoo! Answers too.... Give more answer......
Most of the people are waiting for a good kind of advices, opinions, suggestions.....
U can guide them.... Choose one of the category that u like more....
Then start answering in that category...
You are asking a Chatting website to help more to people.... U can do chat in Yahoo! Website itself...
Or please download the Yahoo! Messenger to your Computer...
Then u can start chatting.....
Mentioned below website will take you to download center of Yahoo! Messenger....
http://messenger.yahoo.com
Hope this helpfull !!!!!!!!!!!!!!!!