1.Mr Kaepernick ignited controversy in 2016 while playing as quarterback for his team the San Francisco 49ers.
ignite 激起
There was one teacher who really ignited my interest in words.
曾经有一位老师真正激起了我对文字的兴趣 。
2.He refused to stand for the national anthem as a protest against racial injustice and social issues.
protest against 反对;对...提出抗议
They rioted in protest against the government.
他们发动暴乱,以抗议政府的行为 。