vocationer
n.β Β«The 18-month-old firm lets people try out their dream jobsβselling test runs in about 60 occupations.…So far, of 100 clientsβthe company calls them “vocationers”βone has actually made the leap and struck out for a new career as a cheesemaker.…”You knowββIβm a vocationer, sheβs vocationing, weβre on vocation.β”Β» ββTest-Drive Your Fantasy Job” by Grainger David Fortune July 14, 2005. (source: Double-Tongued Dictionary)