President Carter has achieved all of the above , since leaving the presidency.
Explanation:
James Earl Carter Jr was the American president from 1977 -1981.
After leaving the presidency,he established the carter center to promote and enlarge human rights.He has conducted a number of peace negotiations in various countries.
He has also helped in preventing and eradicating diseases in developing nations.He has also helped in monitoring elections world over.
He is considered to be a very important person in the habitat for human charity.
