I think the problem with living in a individualized world is that you have to make meaning out of your life yourself. When you're in communities where things are expected of you from other members of your family and you feel like you NEED to follow them it is easier to tell yourself your 'meaning' lies in that group. That you have to function within those walls to help your family/group/whatever prosper.

Also, I think its important to try not to over think existence and the purpose of life. I honestly don't think there is a purpose. I think that we make that purpose for ourselves in the work we do. So if that means you're a hell of an activist then go for it. If it means being a mother of several children, go for it. If it means you are religious and want to get to the pearly gates of heaven, be a follower of Christianity. We mold ourselves into what we want others to know about us.

Not knowing the answer, I think, is the best solution.