Faithful
From Landmark
faithful adjective
Definition of faithful
1: steadfast in affection or allegiance : LOYAL a faithful friend
2: firm in adherence to promises or in observance of duty : CONSCIENTIOUS a faithful employee
3: given with strong assurance : BINDING a faithful promise
4: true to the facts, to a standard, or to an original a faithful copy
5 obsolete : full of faith
church members in full communion and good standing