turncoat
a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
debonair
having a sophisticated charm
partisan
a fervent and even militant proponent of something
eschew
avoid and stay away from deliberately; stay clear of
craven
lacking even the rudiments of courage; abjectly fearful
ingenue
an artless innocent young girl (especially as portrayed on the stage)
rant
talk in a noisy, excited, or declamatory manner
fickle
liable to sudden unpredictable change
narcissist
someone in love with themselves
artless
simple and natural; without cunning or deceit
lackey
a male servant (especially a footman)
incapacitate
make unable to perform a certain action
steadfast
marked by firm determination or resolution; not shakable
livery
uniform worn by some menservants and chauffeurs
preclude
make impossible, especially beforehand
apathetic
showing little or no emotion or animation
purview
the range of interest or activity that can be anticipated
forgo
do without or cease to hold or adhere to
propitious
presenting favorable circumstances; likely to result in or show signs of success
rancor
a feeling of deep and bitter anger and ill-will
abdicate
give up, such as power, as of monarchs and emperors, or duties and obligations
stolid
having or revealing little emotion or sensibility; not easily aroused or excited
rapport
a relationship of mutual understanding or trust and agreement between people