An employee can have racial views, but they can't create a hostile work environment. If they are creating a hostile work environment then the supervisor must discipline them just as they would any other employee.
I am a Bigot
Vincent Bigot was born in 1649.
Vincent Bigot died in 1720.
Paul Bigot died in 1942.
Paul Bigot was born in 1870.
Antoine Bigot was born in 1825.
Eugène Bigot died in 1965.
Eugène Bigot was born in 1888.
Trophime Bigot died in 1650.
Trophime Bigot was born in 1579.
Marie Bigot died in 1820.
Christophe Bigot was born in 1965.