I've been thinking a lot about this question, especially as I've been pastoring our local church. You see, I believe that as Christians, we are called to live a life of purpose and meaning, not just when we're working, but in every aspect of our lives. Even if you're no longer able to work, you still have a purpose. In fact, as the Bible says, "You are of Christ, and Christ is of God" (1 Cor. 3:23). That means that your identity and worth come from Christ, not from your job or profession.
As I've been reflecting on this, I've come to realize that our purpose is not just about what we do, but about who we are in Christ. It's about living a life that brings glory to God, and serving others in the process. John Stott said it well: "Work is the expenditure of energy (manual or mental or both) in the service of others, which brings fulfillment to the worker, benefit to the community, and glory to God." So, even if you're no longer able to work, you can still serve others, and find purpose and meaning in that.
It's not about what we do, but about who we are in Christ. As the Bible says, "What we see as only the process of reaching a particular end, God sees as the goal itself." So, even if you're no longer able to work, you can still live a life of purpose and meaning, by depending on God's power and guidance. As I always say to our congregation, "Look to Jesus, and let His purpose guide you."