executant

名词 executant:

1. a performer (usually of musical works)

ex.ec.u.tant

n.（名词）
One who performs or carries out, especially a skilled performer:
实行者，执行者：执行者或实行者，尤指技巧熟练的实行者：
例句：
The dancer is the choreographer`s executant.
那个舞蹈演员是舞蹈设计人的执行者