As nouns the difference between collaborator and perpetrator
is that collaborator is a person who works with others towards a common goal while perpetrator is one who perpetrates; especially, one who commits an offence or crime.
collaborator
English
Noun
(
en noun)
A person who works with others towards a common goal.
A person who cooperates traitorously with an enemy.
See also
* collaborate
* collaboration
perpetrator
English
Noun
(
en noun)
One who perpetrates; especially, one who commits an offence or crime.
Synonyms
* arrestee, prisoner
* (slang) perp, collar
* See also