Passionist

noun

Pas·​sion·​ist ˈpa-sh(ə-)nist 

: a member of a Roman Catholic mendicant order founded by St. Paul of the Cross in Italy in 1720 and devoted chiefly to missionary work and retreats

Word History

Etymology

Italian passionista, from passione passion, from Late Latin passion-, passio

First Known Use

1815, in the meaning defined above