Exodus 1:13 - And the Egyptians made the children of Israel to serve with rigour: H6531
Exodus 1:14 - And they made their lives bitter with hard bondage, in morter, and in brick, and in all manner of service in the field: all their service, wherein they made them serve, was with rigour. H6531
Leviticus 25:43 - Thou shalt not rule over him with rigour; H6531 but shalt fear thy God.
Leviticus 25:46 - And ye shall take them as an inheritance for your children after you, to inherit them for a possession; they shall be your bondmen for ever: but over your brethren the children of Israel, ye shall not rule one over another with rigour. H6531
Leviticus 25:53 - And as a yearly hired servant shall he be with him: and the other shall not rule with rigour H6531 over him in thy sight.
Ezekiel 34:4 - The diseased have ye not strengthened, neither have ye healed that which was sick, neither have ye bound up that which was broken, neither have ye brought again that which was driven away, neither have ye sought that which was lost; but with force and with cruelty H6531 have ye ruled them.