en_tn/2sa/21/15.md

Ishbibenob

This is the name of a man. (See: rc://en/ta/man/translate/translate-names)

the Rephaim

The people group from the Philistines that were famous for having many giant men among them. (See: rc://en/ta/man/translate/translate-names)

three hundred shekels

"300 shekels" About 3.4 kilograms (See: rc://en/ta/man/translate/translate-numbers and rc://en/tw/dict/bible/other/biblicalweight)

Abishai the son of Zeruiah

See how you translated these names in 2 Samuel 2:18.

you do not put out the lamp of Israel

The "lamp of Israel" refers to David and his descendants who were supposed to rule Israel forever. This means if David and his descendants die, the people of Israel would have no hope. (See: rc://en/ta/man/translate/figs-metaphor)