This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. One who performs for, or entertains, an audience.

n. One who performs, accomplishes, or fulfills; ; especially, one who shows skill and training in any art

n. One who performs, accomplishes, or fulfils.

n. One who performs or takes part in a play or performance of any kind; an actor, actress, musician, circus-rider, etc.

n. an entertainer who performs a dramatic or musical work for an audience

"But honestly, being a performer is an incredibly isolating position."

entertainer   

doer   

comedian    illusionist    player    fire-eater    role player    strongman    second banana    actor    monologist    executant   

kinker   

dormer    former    informer    reformer    stormer    transformer    warmer   

musician    actor    dancer    composer    artist    pianist    athlete    comedian    player    scholar