New Living Translation
And don’t let anyone call you ‘Teacher,’ for you have only one teacher, the Messiah.

American Standard Version
Neither be ye called masters: for one is your master, even the Christ.

Berean Study Bible
Nor are you to be called instructors, for you have one Instructor, the Christ.

Douay-Rheims Bible
Neither be ye called masters; for one is you master, Christ.

English Revised Version
Neither be ye called masters: for one is your master, even the Christ.

King James Bible
Neither be ye called masters: for one is your Master, even Christ.

World English Bible
Neither be called masters, for one is your master, the Christ.

Young's Literal Translation
nor may ye be called directors, for one is your director -- the Christ.

Matthew 23:10 Additional Translations ...