Lord.

Matthew 24:3, 4
While Jesus was sitting on the Mount of Olives, the disciples came to Him privately. "Tell us, " they said, "when will all this happen, and what will be the sign of Your coming and of the end of the age?" . . .

Luke 13:23, 24
"Lord, " someone asked Him, "will only a few people be saved?" Jesus answered, . . .

Acts 1:6, 7
So when they came together, they asked Him, "Lord, will You at this time restore the kingdom to Israel?" . . .