Wiktionary
backsliders
n. (plural of backslider English)
Wikipedia
Backsliders
Backsliders are a three piece Australian blues band; self described as playing " delta blues wall of sound." Their current line up consists of guitarist/vocalist Dom Turner and drummer/percussionist Rob Hirst joined on alternating nights by either Brod Smith, Ian Collard or Joe Glover on harmonica.
Usage examples of "backsliders".
Uplanders were notorious backsliders, always letting their faith falter in favor of the old ways.
Such rudeness was to be expected from Backsliders, un-Trainables who were being crowded off Earth to make room for Climbers like himself, but for a Senior Field Agent to talk this way was too much.
Most citizens of the League are uncouth en-dos like myself, or unTrainable Backsliders from Earth.