olar ▁I bn ▁H ish am , ▁that ▁he ▁told ▁‘ Ab d ▁al - R ah man : ▁Fight ▁everyone ▁in ▁the ▁way ▁of ▁God ▁and ▁kill ▁those ▁who ▁dis bel ieve ▁in ▁God . ▁Do ▁not ▁be ▁dece it ful ▁with ▁spo ils , ▁do ▁not ▁be ▁tre acher ous , ▁nor ▁m util ate , do ▁not ▁kill ▁children . ▁This ▁is ▁God ’ s ▁ordin ance ▁and ▁practice ▁of ▁his ▁proph et ▁among ▁you . ▁ ▁[ I bn ▁H ish am , ▁Sir at ▁Ras ul ▁Al lah ▁, ▁p . ▁ 6 7 2 ] ▁‘ Ab d ▁al - R ah man ▁set ▁out ▁with ▁ 7 0 0 ▁men ▁on ▁an ▁expedition ▁to ▁Dum at ▁al - J andal , ▁that ▁is ▁on ▁the ▁route ▁to ▁Kh ay bar , ▁F ad ak . ▁The ▁place ▁was ▁a ▁great ▁trad ing ▁center ; ▁the ▁inhabitants ▁were ▁mainly ▁Christians ▁and ▁were ▁ruled ▁by ▁a ▁Christian ▁king . ▁ ▁Following ▁the ▁Islam ic ▁rule , ▁on ▁reaching ▁Dum at ul ▁J andal , ▁‘ Ab d ▁al - R ah man ▁sum mon ed ▁the ▁people ▁of ▁the ▁tribe ▁to ▁em brace ▁Islam ▁within ▁three ▁days ▁grace . ▁ ▁During ▁the ▁ 3 ▁day ▁period , ▁Al - As b agh , ▁a ▁Christian ▁chief ▁of ▁Ban u ▁Kal b ▁comp lied ▁and ▁many ▁of ▁his ▁follow ers ▁also ▁followed ▁suit . ▁Other ▁tribes ▁also ▁paid ▁t ribute ▁( J iz ya ) ▁to ▁‘ Ab d