As nouns the difference between competitor and performer
is that competitor is a person or organization against whom one is competing while performer is one who performs for, or entertains, an audience.
competitor
English
Alternative forms
* competitour (obsolete)
Noun
(
en noun)
A person or organization against whom one is competing.
A participant in a competition, especially in athletics.
Synonyms
* (person against whom one is competing) adversary (loosely''), opponent (''loosely )
* (participant in a competition) contestant
Anagrams
*
*
----
performer
English
Noun
(
en noun)
One who performs for, or entertains, an audience.
Synonyms
* kinker