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An opponent; one who oppose or competes
antagonist (n)
lacking a moral sense
amoral
to do harm to
sabotage
To meet unexpecttedly; come upon
encounter
bitter hostility
animosity (n)
A perfect or typical example pf a general quality or type
epitome
a hard choice
dilemma
furious
irate
not giving in; stubborn
adamant
Good-natured; friendly
amiable
to discourage
demoralize
discourteous
curt
passion
zeal
To make evil and often untrue statements about; speak evil of.
malign
a tendency
inclination
following
subsequent
careful
wary
Differing from what is customary; Odd
eccentric
To find innocent or blameless
absolve
to reply
retort