left the fold
- defectedChanged allegiance treasonously
- apostateOne who renounces faith
- renegadeDeserter of a cause
- deserterOne who abandons duty
- turncoatOne who betrays allegiance
strayed · abandoned · betrayed · rebel · heretic · dissident · backslider · wandered · sheep · flock · church · excommunicated · disowned · outcast · prodigal · estranged · broke away · split
group membership
left the foldjoined up
Became part of
signed on · enlisted · affiliated · integrated · assimilated
orthodoxy and belief
left the foldtoed the line
Adhered to standards
conformed · fell in line · converted · saw the light · went along