1 Nephi 21:6

And he said:

It is a light thing

that thou shouldst be my servant

to raise up the tribes of Jacob,

and to restore the preserved of Israel.

I will also give thee for a light to the Gentiles,

that thou mayest be my salvation unto the ends of the earth.

that thou shouldst be my servant

my - 32 occurrences in 20 verses - 1 Nephi 19:22,   20:3, 5, 9, 11, 12, 13, 18,   21:1, 2, 3, 4, 5, 6, 8, 11, 14, 16, 21, 22

my servant - 3 occurrences in 3 verses - 1 Nephi 21:3, 6, 8