They promise them freedom, while they themselves are slaves to depravity. For a man is a slave to whatever has mastered him.
Berean Standard Bible (BSB)
promising them liberty, while they themselves are bondservants of corruption; for a man is brought into bondage by whoever overcomes him.
World English Bible (WEB)
While they promise{G1861}{(G5740)} them{G846} liberty{G1657}, they themselves{G846} are{G5225}{(G5723)} the servants{G1401} of corruption{G5356}: for{G1063} of whom{G3739} a man{G5100} is overcome{G2274}{(G5766)},{G2532} of the same{G5129} is he brought in bondage{G1402}{(G5769)}.
Strong's King James
(19) Vowing to them freedom! While they themselves are slaves of the corruption because whatsoever someone is overcome by, this they are enslaved by.
The F.O.G
The F.O.G Message
liberty to them promising, themselves being servants of the corruption, for by whom any one hath been overcome, to this one also he hath been brought to servitude,
Young's Literal Translation