保安 Traditional form: 保安 Pinyin (reading): bǎo'ān Definitions: to ensure public security to ensure safety (for workers engaged in production) public security security guard Characters: 保 - to safeguard, to protect, to defend, to care for 安 - peaceful, tranquil, quiet Traditional characters: 保 - to safeguard, to protect, to defend, to care for 安 - peaceful, tranquil, quiet