Juggler (noun)

1. A person who performs tricks involving throwing and catching objects in the air.
2. A person who can keep several things going at the same time.
3. A person who manipulates something in a skillful and deceptive way.

Origin:

The word juggler comes from the middle english word "juggelour", which means a performer who amuses people by juggling objects.

Examples:

1. The juggler amazed the audience with his tricks.
2. He is a juggler who can keep several things going at the same time.
3. She is a juggler who manipulates her finances in a skillful way.
4. He is a juggler who juggles different tasks at the same time.
5. She is a juggler who juggles with different balls and other objects.