Verses with the word masters in the New Testament (14 verses):

Matthew 6:24
No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.

Matthew 23:10
Neither be ye called masters: for one is your Master, even Christ.

Luke 16:13
No servant can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.

Acts 16:16
And it came to pass, as we went to prayer, a certain damsel possessed with a spirit of divination met us, which brought her masters much gain by soothsaying:

Acts 16:19
And when her masters saw that the hope of their gains was gone, they caught Paul and Silas, and drew them into the marketplace unto the rulers,

Ephesians 6:5
Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ;

Ephesians 6:9
And, ye masters, do the same things unto them, forbearing threatening: knowing that your Master also is in heaven; neither is there respect of persons with him.

Colossians 3:22
Servants, obey in all things your masters according to the flesh; not with eyeservice, as menpleasers; but in singleness of heart, fearing God;

Colossians 4:1
Masters, give unto your servants that which is just and equal; knowing that ye also have a Master in heaven.

1 Timothy 6:1
Let as many servants as are under the yoke count their own masters worthy of all honour, that the name of God and his doctrine be not blasphemed.

1 Timothy 6:2
And they that have believing masters, let them not despise them, because they are brethren; but rather do them service, because they are faithful and beloved, partakers of the benefit. These things teach and exhort.

Titus 2:9
Exhort servants to be obedient unto their own masters, and to please them well in all things; not answering again;

James 3:1
My brethren, be not many masters, knowing that we shall receive the greater condemnation.

1 Peter 2:18
Servants, be subject to your masters with all fear; not only to the good and gentle, but also to the froward.