A Lightworker is a monad that has incarnated in a human body with the intention of providing assistance that is designed to encourage and facilitate the awakening, activation, and ascension of the entire planet. Lightworkers teach, facilitate, and encourage Reconnection and Realization.
There are currently millions of lightworkers active on planet Earth all operating at different levels of consciousness.
Anybody can be a lightworker. All that is required is that one help others realize and reconnect.
In the Triumph of Spirit Book Series, the Halo/Sharp Lightworker card is a visual representation of a lightworker in emanation from consciousness.
Sharp, Michael (BOLIFE). The Book of Life: Ascension and the Divine World Order
Sharp, Michael (BOTHA). The Book of the Triumph of Spirit: Healing and Activating with the Halo/Sharp. http://press.thelightningpath.com/triumph-of-spirit/