As nouns the difference between investigator and instigator
is that investigator is one who investigates while instigator is a person who intentionally incites or starts something, especially one that starts trouble.
investigator
English
Noun
(
en noun)
One who investigates.
Related terms
* investigatrix (feminine)
References
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instigator
English
Alternative forms
* instigatour (qualifier)
Noun
(
en noun)
A person who intentionally incites or starts something, especially one that starts trouble.
Synonyms
* initiator
Related terms
* instigate
* instigation
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