Why would any private citizen want to become a politician? Many current and aspiring politicians are qualified professionals, with at least average ability to earn a living in the marketplace; often higher than a ministerial salary.
Their names and families are / will be frequently slandered in the news media and they endure microscopic scrutiny by the public. Yet many voluntarily and eagerly put their feet towards the fire. Are these politicians or potential candidates so altruistic and sacrificial in nature? Do they somehow possess an innate insatiable desire to seek the public interest?