We all are called, but some choose to ignore the call on their lives. Not all are called to be a pastor, or evangelist, etc., but we all have a calling. Our calling first is to salvation.
Salvation is the soundness of our being, total wholeness in all areas, body, soul, and spirit.
NO, of course not. I wish above all things that thou mayest prosper and be in health, even as thy soul prospereth. I could show even more scriptures, but I think it would be better for you to look them up and read for your self. We are all called to pray, to pray for ourselves and others, to intercede for all. We are also all called to give as the children of Israel gave in the wilderness to build the tent.