Simplify the following text for a Grade 8 native English-speaking person.
Original: , in the sense of `` one who denies or disbelieves the existence of God '' , predates atheism in English , being first attested in about 1571 .
Simplified: The term atheist ( from French language ' ) , in the sense of `` one who denies or disbelieves the existence of God '' , is older than atheism in English . It was first mentioned about 1571 .