I reckon there's a market for these ... Timber ... for builders Binder ... for bookies Cinder ... for chimney sweeps Finder ... for search and rescue Hinder ... for climate activists Kinder ... for carers Minder ... for ex boxers Pinder ... for dressmakers Rinder ... for judges Winder ... for horologists What have you?
Ginder - for workers at a distillery Binder - refuse collectors Sinder - religious types Vinder - employees in the vehicle section of DVLA
Plunder - for the thieves amongst us (I stole this one from another site) Launder - cleaning niche Bounder - for those looking for unscrupulous relationship Founder - for those that start something new
I think your plan for 'Kinder' will hit a few safeguarding issues over here, Kinder is German for children.
Thinder ... for folk with eating disorders Spinder ... for politicos or gamblers @Mr Apollo : Einder for loners