misappropriator
confounder
disheartener
overestimator
underestimator
overthinker
repugner
Monday-morning quarterback
contradick
misliker
discounter
distortionist
defamer
misnamer
mistruster
mishandler
counterclaimer
refounder
underreactor
confuter
disagreeable
misapprehend
insinuator
disprover
unmasker
infringer
prejudicer
disregarder
confusionist
tellee
affrontee
misinterpretation
discommender
reprobater
noncomprehender
misconceivedly
jiggery-pokery
misfirer
nonuniversalist
liar
contradictiously
affronter
objectifier
reprover
sphinx
disannuller
foister
denier
pervert
objectivizer