Vocation
A vocation (from the Latin word vocātiō meaning a calling) is a job that suits a person best. It is also the desire to do a particular job, especially a religious career like being a priest.  For religious people, a vocation is often something they feel God has asked them to do.  A vocation is followed more for spiritual or emotional reasons than  for money, which is a helpful extra benefit from a vocation but not the reason for it.