What is another word for does one duty?
Pronunciation: [dˈʌz wˈɒn djˈuːti] (IPA) 
One can fulfil their obligations, discharge their responsibilities, carry out their tasks, execute their duties, perform their functions, meet their commitments, honour their pledges, accomplish their objectives, complete their assignments, observe their covenants, satisfy their obligations, achieve their goals, and discharge their duties. All these are synonyms for the term "does one duty." Whether it is in a personal or professional setting, it is essential to fulfil our responsibilities and complete the tasks assigned to us. By using different synonyms in our writing or speech, we can communicate our message more effectively and add variety to our vocabulary.
