noun
Often implies a performer of classical or artistic dance, such as butoh or ballet, rather than a casual dancer.
彼女は有名な舞踏家です。
She is a famous dancer.
その舞踏家は舞台で優雅に踊った。
The dancer performed gracefully on stage.
踊り手 is a broader native term for a dancer, without the specific artistic connotation of 舞踏家.
Compound of 舞踏 (butō, 'dance', especially artistic or classical) and 家 (ka, 'person, specialist').