Definition of performer noun from the Oxford Advanced Learner's Dictionary

Oxford3000

performer

noun
pəˈfɔːmə(r)
 
; pərˈfɔːrmər
 
 
1 a person who performs for an audience in a show, concert, etca brilliant/polished/seasoned performer2 a person or thing that behaves or works in the way mentionedHe was a poor performer at school and left with no qualifications.VW is the star performer of the motor industry this year.