There is a general misunderstand of what our "vocation" or "calling" is in life. In the old days, pre- Reformation, a vocation was only a religious calling where someone would take a vow of some sort, go join and monastery and live a secluded life until his/her days were up.
The Reformation changed all of that and Martin Luther among others expounded on what the Christian life is and the many attributes of one's calling in life.
Parable of the Talents
New American Standard Bible (NASB)