en_tn/luk/12/04.md

Jesus continues speaking to his disciples.

they have no more that they can do

"they cannot do anything else" or "they cannot cause any more harm" or "they cannot hurt you anymore"

Fear the one who

This could also be translated as "Fear God who" or "Fear God, because."

after he has killed

"after he kills you" or "after he kills someone"

has authority to throw you into hell

This can be translated as "has authority to throw people into hell."