The word(s) "faithful" appears 37 time(s) in 30 verse(s) in Quran in Muhammad Habib Shakir translation.

(21) Said one of them: O my father! employ him, surely the best of those that you can employ is the strong man, the faithful one.

(22) The Prophet has a greater claim on the faithful than they have on themselves, and his wives are (as) their mothers; and the possessors of relationship have the better claim in the ordinance of Allah to inheritance, one with respect to another, than (other) believers, and (than) those who have fled (their homes), except that you do some good to your friends; this is written in the Book.

(23) Surely We offered the trust to the heavens and the earth and the mountains, but they refused to be unfaithful to it and feared from it, and man has turned unfaithful to it; surely he is unjust, ignorant;

(24) Saying: Deliver to me the servants of Allah, surely I am a faithful apostle to you,

(25) On that day you will see the faithful men and the faithful women-- their light running before them and on their right hand-- good news for you today: gardens beneath which rivers flow, to abide therein, that is the grand achievement.

(26) And (as for) those who believe in Allah and His apostles, these it is that are the truthful and the faithful ones in the sight of their Lord: they shall have their reward and their light, and (as for) those who disbelieve and reject Our communications, these are the inmates of the hell.

(27) Maybe, his Lord, if he divorce you, will give him in your place wives better than you, submissive, faithful, obedient, penitent, adorers, fasters, widows and virgins.

(28) And those who are faithful to their trusts and their covenant

(29) One (to be) obeyed, and faithful in trust.

(30) Those who disbelieved from among the followers of the Book and the polytheists could not have separated (from the faithful) until there had come to them the clear evidence: