I literally just posted this.
A person with a one black and one white parent can say they’re “black” but can’t say they’re “white”
Another thing is many Jamaicans associate the term “black” with African-Americans and thus don’t claim to be black, they rather say they’re Jamaican because they’re one of the many “black” societies that harbor anti-African American sentiments like “african-Americans are lazy”
I tried