Berean Standard Bible (BSB)
A mediator is unnecessary, however, for only one party; but God is one.
World English Bible (WEB)
Now a mediator is not between one, but God is one.
Strong's King James
Now{G1161} a mediator{G3316} is{G2076}{(G5748)} not{G3756} a mediator of one{G1520}, but{G1161} God{G2316} is{G2076}{(G5748)} one{G1520}.
The F.O.G *
(20) Now a mediator isn't for one alone but יהוה YAHWEH is one.
The F.O.G Message *
Young's Literal Translation
and the mediator is not of one, and God is one—