acrobat,tumbler,jongleur三者的区别,若三者并列出现在句子中怎样翻译?

acrobat杂技演员an entertainer who performs difficult acts such as balancing on high ropes ,especially at a circus
tumbler翻筋斗杂技演员（old-fashioned ）an acrobat who performs somersaults(=a jump in which you turn over completely in the air
jongleur(法)中世纪吟游诗人in medieval France) an itinerant minstrel
tumbler 是acrobat的一种 就是说翻筋斗杂技演员是杂技演员的一个分支