Comité de défense des ouvriers
Since 1964, Naimski was part of the "Black One" scout troop. Naimski took part in organizing assistance to oppressed workers in Radom and Ursus following the June 1976 protests. He was active in the Workers' Defence Committee, working closely with Antoni Macierewicz. In 1980-1981, he served on the board of the Center for Social Research of Solidarity.