2:14 can faith save him. Every one has faith of some kind—even atheists. However, the object of faith, and the results of that faith, measure its validity.

2:18 faith by my works. Genuine faith in Christ for salvation inevitably produces works that demonstrate its reality (note Ephesians 2:8-10). James never says that works produce salvation, nor even that faith plus works can save, but that good works always accompany true saving faith.