'Faithful' in the Bible

And I thank Christ Jesus our Lord, who has given me power, that he has counted me faithful, appointing to ministry him

Faithful is the word, and worthy of all acceptation, that Christ Jesus came into the world to save sinners, of whom I am the first.

The word is faithful: if any one aspires to exercise oversight, he desires a good work.

The women in like manner grave, not slanderers, sober, faithful in all things.

forbidding to marry, bidding to abstain from meats, which God has created for receiving with thanksgiving for them who are faithful and know the truth.

The word is faithful and worthy of all acceptation;

And they that have believing masters, let them not despise them because they are brethren; but let them the rather serve them with subjection, because they are faithful and beloved, who profit by the good and ready service rendered. These things teach and exhort.