a certain.

Luke 7:30
But the Pharisees and experts in the law rejected God's purpose for themselves, because they had not been baptized by John.

Luke 11:45, 46
One of the experts in the law told Him, "Teacher, when You say these things, You insult us as well." . . .

Matthew 22:35
One of them, an expert in the law, tested Him with a question:

Master.

Luke 18:18
Then a certain ruler asked Him, "Good Teacher, what must I do to inherit eternal life?"

Matthew 19:16
Just then, a man came up to Jesus and inquired, "Teacher, what good thing must I do to obtain eternal life?"

Acts 16:30, 31
Then he brought them out and asked, "Sirs, what must I do to be saved?" . . .

to.

Galatians 3:18
For if the inheritance depends on the Law, then it no longer depends on a promise; but God freely granted it to Abraham through a promise.