expression, godan verb (-su)
fulfill one's responsibility
A formal expression meaning to carry out a duty or obligation one has taken on. Often used in serious contexts.
See also: 責任を果たす
彼は最後まで責を果たした。
He fulfilled his responsibility to the end.
More common and slightly less formal than 責を果たす. 責 is a shorter, more literary form of 責任.
Combination of 責 (せき, 'responsibility, duty') and 果たす (はたす, 'to accomplish, fulfill').