Nasta (Anastasia) Loika is a well-known human rights defender. Since 2008, she has been involved in human rights activities, participating in international observation missions, engaging in civic education, conducting trainings, and working for the Viasna Human Rights Center for eight years. She is an EHU alumna (Master’s Program in International and European Law, 2015).

Nasta is a co-founder of the human rights organisation Human Constanta, a member of the International Network "Youth Human Rights Movement", and an expert in human rights, freedom of assembly, civil society monitoring, volunteer management, anti-discrimination and equality. While working in the human rights field, Nasta helped people persecuted for participating in the 2020 protests.

Prior to her arrest, she documented the use of the repressive "Anti-Extremism" law in Belarus, helped protect foreign citizens and homeless people in the country, and worked in the field of human rights education.

The ground for the criminal case was Nasta's involvement in the drafting of a report on the persecution of the anarchist community in Belarus in 2018. Her colleagues wrote that the report contained criticisms of police officers, which the investigators classified as "incitement to hostility" against police officers.

In 2016, Nasta adopted a dog, Eric, who now lives with her friends in Europe. In her farewell letter to him, she wrote that Eric was "the dearest thing in her life".

In the pre-trial detention centre, Nasta started learning French and Polish.