nonperformer

non·per·form·ing

N5161600 (nŏn′pər-fôr′mĭng)adj.1. Performing poorly or unsatisfactorily: nonperforming schools.2. Failing to produce income: a bank with many nonperforming loans.
non′per·for′mance n.non′per·form′er n.

nonperformer

(ˌnɒnpəˈfɔːmə) na person who does not perform (on stage, etc)a person who does not perform to an expected level