en_tn_condensed/luk/12/36.md

be like people waiting expectantly for their master

Jesus commands the disciples to be ready for him to return the same way servants should be ready for their master to return. (See: rc://en/ta/man/jit/figs-simile)

waiting expectantly

If your language has a word for one person waiting and looking for someone he expects will come soon, you may want to use it here.

returns from the marriage feast

"returns home from a marriage feast"

open the door for him

This refers to the door of the master's house. It was the responsibility of his servants to open it for him. (See: rc://en/ta/man/jit/figs-explicit)