If someone asks you to be their executor and you don’t want to do the job, you can say no. You can also decline or [[Ten Steps to Being an Executor#What if I you don't want to act as executor?|'''renounce''' an appointment as executor]] after the person has died. However, if you have started dealing with any property of the estate, you are legally bound to continue, and you can only be relieved of being the executor by a court order after accounting for what you have done in the meantime.