責務 is read as せきむ (sekimu) and means duty.
せきむ
sekimu
ほしょうせきむ
guarantee obligations
たんぽつきせきむ
secured liabilities
さいこうざいむせきにんしゃ
chief financial officer
せきにん
duty
せめる
to break in (a horse)
せきにんしゃ
person in charge (including a supervisory role for other staff)
せきにんかん
sense of responsibility
せめ
torture
せきにんをもつ
to be responsible for
せきにんたいせい
responsibility-taking system
せきにんもんだい
question of where responsibility lies
じむ
office work