善 is used in: 善良 (kind/good-natured), 善于 (good at), 善意 (goodwill), 改善 (to improve), 慈善 (charity), 友善 (friendly). It is one of the core moral values in Chinese philosophy.
culture
The opening of the Three Character Classic (三字经) states: 人之初,性本善 (At birth, human nature is inherently good) — reflecting Mencius's belief in innate human goodness, a cornerstone of Confucian thought.