en_tn/1ti/06/02.md

The slaves who have believing masters should not show them disrespect because they are brothers

Possible meanings are 1) it is because the believing masters are brothers that their slaves should not show them disrespect or 2) slaves should not think that because their masters are believers they can therefore show them disrespect.

they are brothers

Here "brothers" means "fellow believers."

those who receive the benefit

You may need to add the words omitted by the ellipsis. Alternate translation: "the masters whom the slaves help with their good work" (See: rc://en/ta/man/jit/figs-ellipsis)

and beloved

This can be stated in active form. Possible meanings are 1) "and the slaves should love them" or 2) "whom God loves" (See: rc://en/ta/man/jit/figs-activepassive)