chaplain

Etymology

From Middle English chapeleyn, from Old French chapelain, from Medieval Latin, Late Latin cappellānus, from cappella. Doublet of capelin. Displaced Old English handprēost.

noun

1. A member of a religious body who is (often, although not always, of the clergy) officially assigned to provide pastoral care at an institution, group, private chapel, etc.
   The Railway Mission's regionally based chaplains perform the role of impartial 'friend' to anyone working on the railway, regardless of their faith. September 8 2021, Stefanie Foster, “Network News: Countdown is on to the National Rail Awards 2021”, in RAIL, number 939, page 19
2. A person without religious affiliation who carries out similar duties in a secular context.