All servants of the Lord are same

1 Chronicles 24:20-31
Theses were the Levites, according to their families. They also cast lots, just as their brothers the descendants of Aaron did, in the presence of King David and of Zadok, Ahimelech, and the heads of families of the priests and of the Levites.
The families of the oldest brother were treated the same as those of the youngest.
Why?
Serve the Lord in the same position, same way and same treatment. No matter what is the families and age.
How?
Christians are the same before the Lord, serve the Lord is with the heart, no relate to any physical condition.