to fulfill a person's responsibilities while they are sick or on a leave

a project, activity, plan, business, etc. that an individual is involved in

to assign a task or job to a person

to have different roles, positions, or jobs at the same time

to have to put in a lot of effort into one's work to be on the same level as one's predecessor

to not attend work, school, or other obligations without giving an explanation or getting permission

during the hours that one is required to be working

to be given someone's task, role, job, etc., particularly after they have left

to continue or complete a task or project that someone else began or left unfinished

to transfer responsibility or a task from one person to another

to need to deal with something as a part of one's responsibilities or obligations

to assume full control or responsibility of something until the actual person in charge returns, particularly in business

to take on a person's position, role, or responsibility after they are gone

to take action or assume responsibility in a difficult or challenging situation, often when others are unable or unwilling to do so

a labor strategy where employees intentionally perform their job duties strictly according to the rules and procedures, without going beyond what is explicitly required, as a means of protest or showing dissatisfaction with work conditions

(of workers) to protest by refraining from doing any extra work