purge
defenestration
hook
benching
non-engagement
non-involvement
nonparticipation
dismemberment
drum out
dropout
rupture
heave-ho
exclusion
ostracize
ostracise
cast out
blackball
banish
ban
shun
unaffiliate
disinvitation
uninvitation
deprotect
ostracism
on the outside, looking in
dooced
bolt
purging
uprooted
disconnect
uproot
deprotected
bench
withdrawer
schism
prodigal
disorganize
disorganise
closure
leave
let someone go
withdraw
depart
shooing
pull up stakes
firing
ungroup
floater
withdrawal
recall
degroup
transgressive
clear
ousting
delaminated
cleaver
send someone to the showers
disempower
dismission
housecleaning
deserter
infighting
lapse
isolation
from
flame-out
breaking away
removal
deideologization
disideologization
remotion
breakaway
deprotection
kick
deposition
dethronement
rejection
exclusive
lockout
entirely
push out
detinner
skunk at a garden party
seduction
outcasting
unlike
wear off
slighting
break with
taboo
outgroup
splinter
disaffiliation
unconvene
outer
expulsionary
tabu