Acts.7.6  And God spoke to this effect, that his posterity would be aliens in a land belonging to others, who would enslave them and ill-treat them four hundred years.
Rom.6.6  We know that our old self was crucified with him so that the sinful body might be destroyed, and we might no longer be enslaved to sin.
1Cor.6.12  "All things are lawful for me," but not all things are helpful. "All things are lawful for me," but I will not be enslaved by anything.
2Pet.2.19  They promise them freedom, but they themselves are slaves of corruption; for whatever overcomes a man, to that he is enslaved.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.