Meanings of professional acrobat in английском

Are you, may I ask, a professional acrobat on a tour, or a travelling advertisement of Sunny Jim?

Thoreau came sometimes and performed rare glacial exploits, interesting to watch, but rather in the line of the professional acrobat.

Éluard, a professional acrobat with a light, pliable body, is conveyed in tight angles and wafer-thin planes, her wiry hair rendered in hard squiggles.

Quite a few have become professional acrobats since they opened the gymnasium.