As nouns the difference between instigator and perpetrator
is that instigator is a person who intentionally incites or starts something, especially one that starts trouble while perpetrator is one who perpetrates; especially, one who commits an offence or crime.
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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perpetrator
English
Noun
(
en noun)
One who perpetrates; especially, one who commits an offence or crime.
Synonyms
* arrestee, prisoner
* (slang) perp, collar
* See also