After 1940, he worked in Bucharest and after 1947 he worked for the Romanian Communist Party, Romanian Post (December 1947 – November 1949). After his resignation from Romanian Communist Party, he was arrested. He had tried to set up a trade union but was kidnapped and tortured three times by the Securitate (secret police) which attempted to portray him as mentally disturbed.
Also, Paraschiv was a collaborator of Paul Goma.
Paraschiv died in 2011 from heart faluire. He refused to be decorated by President Traian Băsescu, whom he labelled "a former communist".
From the end of the 1960s until the Communism"s fall, he was a victim of psychiatric repression. In 2002, Paul Goma wrote an article which includes a letter and Paraschiv"s list of communist activists that persecuted him during communism.
He was member of the Romanian Communist Party (November 1946 – November 1968).