'Discharging' in the Bible

and you make an offering by fire to the Lord from the herd or from the flock (whether a burnt offering or a sacrifice for discharging a vow or as a freewill offering or in your solemn feasts) to create a pleasing aroma to the Lord,

And when you prepare a young bull as a burnt offering or a sacrifice for discharging a vow or as a peace offering to the Lord,

and having discovered Cyprus, and having left it on the left, we were sailing to Syria, and did land at Tyre, for there was the ship discharging the lading.

So after discharging this duty, and making sure that these kind gifts reach those for whom they are intended, I shall start for Spain, passing through Rome on my way there;