salvation juggins, n. — Green’s Dictionary of Slang

salvation juggins n.

also salvation rotter, ...soul-sneaker

[SE salvation + juggins n./rotter n.¹ (1)/SE soul-sneaker; all these negative nicknames came from many people’s dislike of the Army’s heavy-handed religiosity, esp. its attacks on drinking and similar pleasures, which undermined its charitable reputation]

a member of the Salvation Army.

1909

J. Ware Passing Eng. of the Victorian Era 214/2: Salvation jugginses (Com. London, 1882). The early aversion exhibited towards the more violent members of the Salvation Army led to the addition of the word juggins. [...] Salvation rotters (1883). Final term of scorn levelled at the early Salvationists. [...] Salvation-soul-sneakers (1883). This was one of the last terms applied, before General Booth (February) yielded to circumstances and with almost papal authority forebade outdoor processions in London.