Ostracism
Exclusion or banishment from a group or society.
Pernicious
Having a harmful effect, especially in a gradual or subtle way.
Recalcitrant
Stubbornly resistant to authority or control.
Conundrum
A confusing and difficult problem or question.
Mendacity
Untruthfulness or a tendency to lie.
Polemical
Involving strong arguments or controversy.
Obfuscation
The action of making something unclear.
Ebullient
Overflowing with enthusiasm or excitement.
Vicissitudes
Changes or variations in the course of something.