|Easton's Bible Dictionary|
The father who saves, probably the same as Sosipater, a kinsman of Paul (Romans 16:21), a Christian of the city of Berea who accompanied Paul into Asia (Acts 20:4-6).
Int. Standard Bible Encyclopedia
so'-pa-ter, sop'-a-ter (Sopatros): the Revised Version (British and American) the son of Pyrrhus; the King James Version omits. A man of Berea who is mentioned with some Thessalonians and others as accompanying Paul as far as Asia on his return to Jerusalem after his 3rd missionary journey (Acts 20:4). He is probably the same as the "Sosipater" of Romans 16:21.
Sopater (1 Occurrence)
Acts 20:4 These accompanied him as far as Asia: Sopater of Beroea; Aristarchus and Secundus of the Thessalonians; Gaius of Derbe; Timothy; and Tychicus and Trophimus of Asia. (WEB KJV WEY ASV BBE DBY WBS YLT NAS NIV)