Simplify the following text for a Grade 10 native English-speaking person.
Original: Omaroseonee Manigault-Stallworth ( born February 15 , 1974 ) , usually known simply as Omarosa , is a two-time participant on Donald Trump 's television reality show The Apprentice .
Simplified: Omarosa Manigault-Stallworth mostly known only as `` Omarosa '' ( born Omaroseonee O. Manigault February 15 , 1974 ) is a former participant on Donald Trump 's television reality show The Apprentice .