'First' in the Bible

If the man said to him, “They must surely burn the fat first, and then take as much as you desire,” then he would say, “No, but you shall give it to me now; and if not, I will take it by force.”

That first slaughter which Jonathan and his armor bearer made was about twenty men within about half a furrow in an acre of land.

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