A guardian is a person who is court appointed to make decisions for someone else when that person is incapacitated and cannot make decisions for him or herself because of a mental or physical disability, disease, or addiction to alcohol or other drugs. Guardians may also be appointed for a minor children who have not reached the age of majority. Guardians decision making authority usually includes: giving consent to medical care or treatment; purchasing or arranging for purchase of such necessities as food, clothes, cars, household items, and other personal items; arranging for education; and managing finances and bank accounts.