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