Tiying (c. 2nd century BCE), daughter of the physician Chunyu Yi, famous for her filial piety during the Western Han dynasty; she petitioned Emperor Wen to save her father from corporal punishment by offering herself as a government slave, which led to the abolition of such punishments

(literary) officials or guards sent out to arrest lawbreakers, originally referring to the red-clad horsemen attending high officials in the Han dynasty