founder
parentless
only child
ghost
perfect stranger
nonadult
skite-the-gutter
noncousin
nonreader
nonchild
nonparent
unparental
daddyless
halfwit
nonacademic
disparented
nonadoptee
nondescendant
abled
unaffiliated
nonsister
Joe Sixpack
nonfather
innominate
stun
motherless
impaternate
nonadolescent
nonteacher
nonjuvenile
foster-daughter
truant
parentlessness
foster daughter
sesquiple first cousin
dried-fish woman
irregular double first cousin
irregular double cousin
sesquiple cousin
nondependent
noninfant
nonparental
unparented
ineligible
nonsibling
foster-son
nullip
foster son
hooky player
preadult