Bitcoiner (2019 version, noun) Bit·​coin·er | \ ˈbit-ˌkȯin-…

Bitcoiner (2019 version, noun)
Bit·​coin·er | \ ˈbit-ˌkȯin-ˌur \
variants: or less commonly- coreon, segwetter

Follows those who have determined bitcoin was always broken and they need to fix it, or themselves determined bitcoin is broken.