He came as a witness to testify about the Light, so that through him everyone might believe.
Berean Standard Bible (BSB)
The same came as a witness, that he might testify about the light, that all might believe through him.
World English Bible (WEB)
The same{G3778} came{G2064}{(G5627)} for{G1519} a witness{G3141}, to{G2443} bear witness{G3140}{(G5661)} of{G4012} the Light{G5457}, that{G2443} all{G3956} men through{G1223} him{G846} might believe{G4100}{(G5661)}.
Strong's King James
(7) this one came for testimony in order to testify concerning the Light so that everybody might believe through him.
The F.O.G
The F.O.G Message
this one came for testimony, that he might testify about the Light, that all might believe through him;
Young's Literal Translation