A regular volunteer of Habitat for Humanity since 2006 , he was appointed its Goodwill Ambassador for Korea in 2008 . Together with the Nippon Foundation and South Korean food franchise Genesis , Lee established the " Let 's Tree Fund " in 2010 to conduct reforestation activities . In 2011 , Lee joined relief efforts for victims of the Japanese earthquake and tsunami . Like many celebrities , Lee also publicly protested against the forced repatriation of North Korean defectors
Japanese earthquake and tsunami
2011 Tōhoku earthquake and tsunami
Lee Seo-jin