misjudger
disrespecter
demonizer
disallower
quasher
declaimer
overexplainer
disowner
disgracer
mismanager
deludee
disfigurer
contradicter
recriminator
reprover
malapropist
despiser
beleaguerer
inciter
marginalizer
disregarder
traitor
stigmatizer
insultee
intimidator
disavower
affrontee
discommender
defamiliarizer
affronter
overpredictor
miscegenationist
disesteemer
miscegenist
disinheritor
underpredictor
irreligionist
incriminator
disheartener
overestimator
negativist
misquoter
scorner
verbicide
Monday-morning quarterback
ideologizer
refounder
underminer
knocker
undeceiver