funambule
/fyʊˈnæmbjuːl/Definitions
1. noun
a tightrope walker, especially one who performs for entertainment
“The circus performer was an expert funambule, balancing high above the crowd.”
2. noun
a tightrope walker, especially one who performs in a circus or acrobatic show
“The funambule’s daring act left the audience gasping in amazement.”