en_tn_lite_do_not_use/luk/12/36.md

be like people looking 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)

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)