إِنَّمَا Only ٱلْمُؤْمِنُونَ the believers ٱلَّذِينَ (are) those who ءَامَنُوا۟ believe بِٱللَّهِ in Allah وَرَسُولِهِۦ and His Messenger ثُمَّ then لَمْ (do) not يَرْتَابُوا۟ doubt وَجَـٰهَدُوا۟ but strive بِأَمْوَٰلِهِمْ with their wealth وَأَنفُسِهِمْ and their lives فِى in سَبِيلِ (the) way ٱللَّهِ ۚ (of) Allah أُو۟لَـٰٓئِكَ Those هُمُ [they] ٱلصَّـٰدِقُونَ (are) the truthful ١٥
The believers are only the ones who have believed in Allāh and His Messenger and then doubt not but strive with their properties and their lives in the cause of Allāh. It is those who are the truthful.
— Come To Light