What is "the faithful"

Faithful \Faith"ful\, a.

1. Full of faith, or having faith; disposed to believe, especially in the declarations and promises of God.

   You are not faithful, sir.
   --B. Jonson.

2. Firm in adherence to promises, oaths, contracts, treaties, or other engagements.

   The faithful God, which keepeth covenant and mercy with them that love him.
   --Deut. vii. 9.

3. True and constant in affection or allegiance to a person to whom one is bound by a vow, by ties of love, gratitude, or honor, as to a husband, a prince, a friend; firm in the observance of duty; loyal; of true fidelity; as, a faithful husband or servant.

   So spake the seraph Abdiel, faithful found, Among the faithless, faithful only he.
   --Milton.

4. Worthy of confidence and belief; conformable to truth ot fact; exact; accurate; as, a faithful narrative or representation.

   It is a faithful saying.
   --2 Tim. ii. 11.

   The Faithful, the adherents of any system of religious belief; esp. used as an epithet of the followers of Mohammed.

   Syn: Trusty; honest; upright; sincere; veracious; trustworthy. -- Faith"ful*ly, adv. - Faith"ful*ness, n.