New Revised Standard Version
Barzillai was a very aged man, eighty years old. He had provided the king with food while he stayed at Mahanaim, for he was a very wealthy man.

Contemporary English Version
Barzillai was 80 years old. He was very rich and had sent food to David in Mahanaim.

New American Bible
It was Barzillai, a very old man of eighty, who had provided for the king during his stay in Mahanaim; he was a very great man.

Douay-Rheims Bible
Now Berzellai the Galaadite was of a great age, that is to say, fourscore years old, and he provided the king with sustenance when he abode in the camp: for he was a man exceeding rich.

Now Berzellai the Galaadite was of a great age, that is to say, fourscore years old, and he provided the king with sustenance when he abode in the camp: for he was a man exceeding rich.

fourscore

Genesis 5:27 And all the days of Mathusala were nine hundred and sixty-nine years, and he died.

Genesis 9:29 And all his days were in the whole nine hundred and fifty years: and he died.

Genesis 25:7 And the days of Abraham's life were a hundred and seventy-five years.

Genesis 47:28 And he lived in it seventeen years: and all the days of his life came to a hundred and forty-seven years.

Genesis 50:26 And he died, being a hundred and ten years old. And being embalmed, he was laid in a coffin in Egypt.

Deuteronomy 34:7 Moses was a hundred and twenty years old when he died: his eye was not dim, neither were his teeth moved.

Psalm 90:3-10 Turn not man away to be brought low: and thou hast said: Be converted, O ye sons of men. . . .

Proverbs 16:31 Old age is a crown of dignity, when it is found in the ways of justice.

provided

2 Samuel 17:27 And when David was come to the camp, Sobi the son of Naas of Rabbath of the children of Ammon, and Machir the son of Ammihel of Lodabar and Berzellai the Galaadite of Rogelim,

for he was

1 Samuel 25:2 Now there was a certain man in the wilderness of Maon, and his possessions were in Carmel, and the man was very great: and he had three thousand sheep, and a thousand goats: and it happened that he was shearing his sheep in Carmel.

Job 1:3 And his possession was seven thousand sheep, and three thousand camels, and five hundred yoke of oxen, and five hundred she asses, and a family exceedingly great: and this man was great among all the people of the east.