misplacer
skip a beat
eschewer
misconceiver
lacker
mismanager
obscurer
misjudger
discourager
nonreasoner
mishandler
refrainer
shunner
avoider
disappearer
quasher
abandoner
misguider
perplexer
disavower
misdirector
expugner
misapplier
excludee
refuser
dissimilator
the cobbler's children are the worst shod
the shoemaker's children go barefoot
AWOL
lamenter
mistruster
disappointment
shnorrer
disheartener
misperceiver
forsaker
misaligner
disprover
beloathed
mislike
no-mark
ignorant
underpredictor
refusant
nonsympathizer
undeceiver
unsympathizer
dissuader
obviator