James is not saying that justification is by faith plus works, but rather that a person who is truly justified by faith will have good works in his/her life.
Hindi sinasabi ni Santiago na ang kaligtasan ay sa pamamagitan ng pananampalataya at gawa, sa halip kung ang isang tao ay totoong ligtas na, tiyak na makikita ang mabubuting gawa sa kanyang buhay.