Agent noun of juggle; one who either literally juggles objects, or figuratively juggles tasks.
2016, Jule Scherer, “Going out for the first time as a mum,” stuff.co.nz, 15 March, 2016,
Since the babies were born I’ve turned into a 24/7 milking machine, a bilingual nursery-rhyme jukebox, a prolific laundress, a bum-wiping wizard, a baby juggler and two-armed synchronised cuddler.
A person who practices juggling.
(obsolete) A person who performs tricks using sleight of hand, a conjurer, prestidigitator.