also: げいたっしゃ
noun
versatile entertainer; all-round performer; skilled person
Describes someone highly skilled in performing arts or a craft, often with a nuance of being multi-talented.
彼は歌も踊りもできる芸達者だ。
He is a versatile entertainer who can both sing and dance.
あの俳優は本当に芸達者で、どんな役でもこなす。
That actor is truly skilled and can handle any role.
多芸 emphasizes having many skills, while 芸達者 focuses on being highly proficient and versatile in performance.
Compound of 芸 (gei, 'art, performance') and 達者 (tassha, 'skilled, proficient'). The reading げいだっしゃ is a standard rendaku form.