責務|せきむsekimu[1]atamadaka (head-high)

1. nounduty; obligation
   私はあなたが新あたらしい責務せきむをうまくこなせるよう願ねがっています。↗

   I wish you good luck with your new responsibilities.

• Synonym責任せきにんNeutralResponsibility for one's actions and their consequences; the everyday word. 「責務」 is more written and stresses weighty duties that come with a position.
• Synonym義務ぎむNeutralA legal or moral obligation one must fulfill, as in 「納税の義務」; the counterpart of rights, grounded in law or morality rather than one's position.
• Synonym任務にんむWrittenA concrete task or mission assigned to you, as in 「任務を遂行する」; the emphasis is on executing it, not on the duty itself.
• Synonym職務しょくむWrittenThe duties attached to one's job or post, as in 「職務質問」; centers on workplace responsibilities rather than broader obligations.
• Synonym役目やくめNeutralA duty or role one is expected to fulfill, as in 「役目を果たす」; common in everyday speech, whereas 「責務」 leans toward written and formal use.
• Synonym任にんWrittenThe duty or charge one holds in office, as in 「任に堪えない」; a formal, written word.
• Synonym本分ほんぶんNeutralThe duty natural to one's station in life, as in 「学生の本分」; stresses who you are rather than an assigned office.
• Synonym勤めつとめNeutralOne's job or service, and by extension a duty to fulfill, as in 「親の務め」.
• Synonym職分しょくぶんWrittenOne's duty or vocation, akin to 「本分」; written and little used today.
• Related役割やくわりNeutralThe role or part assigned to you within a group; stresses division of roles, not the weight of an obligation.
• Related役やくNeutralA post, position or role, as in 「役につく」; a very wide-ranging word covering everything from jobs to acting parts.
• Related役回りやくまわりNeutralThe role you have been assigned, as in 「重要な役回り」 or 「損な役回り」; concerns the part you play, not duties you owe.
• Related義理ぎりNeutralSocial obligations and human bonds, as in 「義理チョコ」; rooted in personal relations rather than formal duty.
• RelatedオブリゲーションNeutralA loanword for obligation; used mainly in legal and financial contexts, rarely in everyday conversation.
• Relatedお役目おやくめNeutralA polite way to speak of someone's (public) duty, as in 「お役目ご苦労様」.
• Related責せきWrittenResponsibility, usually in compounds or set phrases such as 「責を負う」; formal written style.
• Antonym権利けんりNeutralA right or privilege, as in 「権利と義務」; the direct opposite of duties and obligations.

Use 「責務」 for the duties and obligations one must fulfill, as in 「責務を果たす」 or 「将来世代への責務」. For responsibility and its consequences choose 「責任」, for legal or moral obligations 「義務」, for an assigned task or mission 「任務」, for on-the-job duties 「職務」, for one's role in a group 「役割」, and for rights 「権利」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 責任せきにんと義務ぎむ。
2. 責任せきにんをもって果はたすべき務つとめ。