Quick answer
Sergius is a boy name meaning "servant".
Pronunciation: Latin /ˈser.ɡi.us/.
Meaning and history
Roman patrician family name, possibly meaning "servant" in Latin but most likely of unknown Etruscan origin. Saint Sergius was a 4th-century Roman officer who was martyred in Syria with his companion Bacchus. They are the patron saints of Christian desert nomads. Another saint by this name (in the Russian form Sergey ) was a 14th-century Russian spiritual leader. The name was also borne by four popes, and it appears briefly in the New Testament belonging to a Roman official.
Notes and context
Usage: ancient roman, biblical latin, biblical