Doing one's duty is an essential quality that every responsible person should possess. It is the act of fulfilling one's obligations or responsibilities, either personal or professional. Synonyms for this phrase could include fulfilling obligations, carrying out responsibilities, performing one's tasks, executing one's duties, adhering to one's commitments, living up to one's responsibilities, and being accountable. Each of these synonyms characterizes the essential aspect of being steadfast in performing one's obligations. To do your duty means to deliver with loyalty, dedication, care, and promptness. In summary, to do one's duty means fulfilling our responsibilities with commitment and diligence, an essential quality of any responsible citizen.