Explanation:

- Doreen Lawrence is not a recipient of the 2019 Right Livelihood Award. She is a British campaigner who became an advocate for social justice in the aftermath of her son's murder.

- Aminatou Haidar received the 2019 Right Livelihood Award. She is a Sahrawi human rights campaigner known for her peaceful methods of advocating for Western Sahara's independence.

- Guo Jianmei is also a 2019 Right Livelihood Award recipient. She is a Chinese lawyer recognized for her tireless work in defending the rights of disadvantaged groups, especially women.

- Greta Thunberg received the 2019 Right Livelihood Award. She is a Swedish environmental activist famous for inspiring global movements for climate action at a young age.