'First' in the Bible

If the man said to him, “Certainly they are to burn (offer) the fat first, and then you may take as much as you want,” then the priest’s servant would say, “No! You shall give it to me now or I will take it by force.”

As they were going down to the outskirts of the city, Samuel said to Saul, “Tell the servant to go on ahead of us so that he may pass by but you stand still now so that I may proclaim the word of God to you.”

That first slaughter which Jonathan and his armor bearer made was about twenty men within about half a [plow] furrow in a plot of land [the area of which a yoke of oxen could plow in a day].

And Saul built an altar to the Lord; it was the first altar that he built to the Lord.