Freedom Strikes a Blow
A martial arts fighter, haunted by his past, takes a job as a dock worker in a small village. His vow never to fight again is tested by the cruel owner of the pier.
Starring Michael Chan, Fan Chiang, Lee Tin-Ying, Fong Yau, Bolo Yeung, Leung Tin, Lam Saan, Chung-Hsin Huang, Huang Tsung-Hsun, Corey Yuen
Watch "Freedom Strikes a Blow" from streaming services Pluto TV, Amazon released in 1973. It's a action & adventure and action movie, and has a rating of 5.2 out of 10 from Imdb which is fairly okay for this kind of movie.