What is "thirudan"

Thirudan (Tamil: திருடன்) is a 1969 Indian Tamil film, directed by A. C. Tirulokchandar. The film stars Sivaji Ganesan, K. R. Vijaya, K. Balaji and Vijayalalitha in lead roles. The film had musical score by M. S. Viswanathan. The film was a remake of Telugu film Adrushtavanthalu. The film was remade in Hindi as Himmat in 1970.