Sopater
The name Sopater means “Sosipater, who defends the father”.
Easton's Bible Dictionary 1897
The father who saves, probably the same as Sosipater, a kinsman of Paul (Rom. 16:21), a Christian of the city of Berea who accompanied Paul into Asia (Acts 20:4-6).
Smith's Bible Dictionary 1863
(saviour of his father), son or Pyrrhus or Berea, was one of the companions of St. Paul on his return from Greece into Asia. (Acts 20:4) (A.D. 55.)
International Standard Bible Encyclopedia 1915
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 (Ac 20:4). He is probably the same as the "Sosipater" of Ro 16:21.