Thou shalt not rule over him with rigor, but shalt fear thy God.
Thou shalt not rule over him with rigour; but shalt fear thy God.
You shall not rule over him with harshness (severity, oppression), but you shall [reverently] fear your God. [Eph. 6:9; Col. 4:1.]
You will not harshly rule over them but must fear your God.
Do not afflict him by power, but be fearful of your God.