Habitat for Humanity is an international non-profit organization that works to provide affordable housing and promote homeownership for people in need. The organization's mission is to build, rehabilitate, and repair homes for those who are unable to do so on their own. The term 'Habitat for Humanity' is derived from the Latin phrase 'habitat humanitas, ' which translates to 'home of humanity.' The crossword solution EARTH is a fitting representation of this mission, as it emphasizes the importance of providing a safe and secure home for all people.