'Faithful' in the Bible

"Alas for you, Scribes and Pharisees, hypocrites, for you pay the tithe on mint, dill, and cumin, while you have neglected the weightier requirements of the Law--just judgement, mercy, and faithful dealing. These things you ought to have done, and yet you ought not to have left the others undone.

Who then is a faithful and wise servant, whom his lord hath made ruler over his household, to give them meat in due season?

His lord said unto him, Well done, thou good and faithful servant: thou hast been faithful over a few things, I will make thee ruler over many things: enter thou into the joy of thy lord.

His lord said unto him, Well done, good and faithful servant; thou hast been faithful over a few things, I will make thee ruler over many things: enter thou into the joy of thy lord.