[f. TRAP sb.1 or v.1 + -IST.] A professional trapper (of wild animals).

1

1880.  Carnegie, Pract. Trap., 19. Hares do not offer so large a field for work to the trappist as do rabbits.

2

1896.  Times (weekly ed.), 390/4. Russian trappists almost denuded the coasts of animals.

3