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