'Faithful' in the Bible

The Lord replied, "Who then is the faithful and wise manager, whom the master puts in charge of his household servants, to give them their allowance of food at the proper time?

"The one who is faithful in a very little is also faithful in much, and the one who is dishonest in a very little is also dishonest in much.

And the king said to him, 'Well done, good slave! Because you have been faithful in a very small matter, you will have authority over ten cities.'