Age ,hostile work environment, was one of the best employees,also race

Americans best value inn we got a new supervisor and he brought his own race for less money.I was rehired after i took a leave when my mom passed. I know Florida is a no falt state but i wad signaled out because i was the oldest and my old supervisor will testify to that i never had a warning or write up.The following day he hired people of his origin i believe white people have. rights too