► 名詞務め  [つとめ]  [liter]    
meaning:  responsible  rank: 3☆ 
国のために
命を
懸けて
戦うのが
軍人の務めだ ⇨ It is the duty of a military officer to fight for his country risking his life  
(☛ Responsibility associated with a job, role, position, etc.)More examples:- 彼は十年間研究所の所長を務めた ⇨ He worked as the director of the research center for 10 years
 - 今日は私が彼の代理を務めている ⇨ I am substituting for him today
 - 彼女が紅白歌合戦の大トリを務めた ⇨ She was the final singer in the New Year’s Eve singing contest