The correct answer to this open question is the following.
Unfortunately, you did not attach the declaration or quotes from Jamal Joseph. We do not what he said, according to your question. Just you know it but you forgot to include it in the question.
However, trying to help you, we can comment on the following based on our knowledge of the Black Panther movement.
Jamal Joseph was a Black Panther Party member. He had many experiences to tell as a black person in America in the 1960s.
Jamal Joseph and other black people felt unsafe in America due to the racial segregation that lived in the United States in those years. Black people were treated very badly. Jamal Joseph and other black Americans felt unsafe in their own country due to the brutal and violent repression of police against African Americans.
At, that time, in some places of the United States, black people were treated as second-class citizens.
That is why movements such as the Black Panther Party were created. In this case, the Black Panther Party was formed in 1966 in Oakland, California, to defend the rights and protect the black people of the city. Bobby Seal and Huey P. Newtown were the founders.
Jamal Joseph was a Cuban-American that joined the Panthers in New York City in 1968.