Green’s Dictionary of Slang

soul adj.2

SE in slang uses, pertaining to religion

In compounds

soul-butter (n.) [see butter n.1 (4)]

(US) moralizing drivel.

[US](con. c.1840) ‘Mark Twain’ Huckleberry Finn 213: Music is a good thing; and after all that soul-butter and hogwash I never see it freshen up things so.
soul-case (n.)

see separate entry.

soul-driver (n.)

a clergyman, or one who acts as such.

[UK]B.E. Dict. Canting Crew n.p.: Soul-driver a Parson.
[UK]New Canting Dict. [as cit. c.1698].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]G. Andrewes Dict. Sl. and Cant.
[UK]Lex. Balatronicum.
[UK]G. Kent Modern Flash Dict.
[UK]Flash Dict. in Sinks of London Laid Open.
[UK]A. Mayhew Paved with Gold 279: Listen to the preacher [...] what a rattling soul-driver he’d have made, wouldn’t he.
soul-snatcher (n.) (also soul-snaveller)

a preacher, a missionary.

[Aus]Bulletin (Sydney) 3 Jan. 4/1: Captain Miller, the soul-snaveller in charge of the engagement, thus reports progress in the war cry of December 20: – [...].
[US]J. London People of the Abyss 116: The ‘soul-snatchers’ (as these men call all religious propagandists), should study the physiological basis of psychology a little.