Bearded black dressed male performer is displaying his skill by swinging a fire line in each hand in arcs.
A sideshow man in a black costume is performing a trick with fire for the audience.
Swinging a fire line is performing a trick.
A performer swinging a fire line in each hand is doing a trick with fire.
The man in a black costume is a performer. The black dressed male performer is swinging a fire line, therefore the man in the black costume is performing a trick with fire.