An executor of a will can be any adult over the age of 18 (or 20 depending on jurisdiction) who has the mental capacity to carry out the role. This can include family members, friends, or professionals such as solicitors, accountants, or trustee companies. The executor can also be a beneficiary of the will but cannot be a witness to it. It is important to choose someone trustworthy, capable, and organized, as they will be responsible for managing the deceased's estate, paying debts and taxes, and distributing assets according to the will. Executors can be paid for their services if the will specifies this, and they can also seek professional advice if needed. The appointed executor should ideally consent to take on the role, although formal permission is not legally required before naming them in the will.