en_tn_condensed/2sa/21/15.md

Ishbi-Benob

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

three hundred shekels

"300 shekels." This is about 3.4 kilograms. (See: rc://en/ta/man/translate/translate-bweight and rc://en/ta/man/translate/translate-numbers)

Abishai son of Zeruiah

Abishai and Zeruiah are names of men. See how you translated these names in 2 Samuel 2:18.

you do not put out the lamp of Israel

The "lamp of Israel" is a metaphor that refers to David's leadership and the idea that if David were to die, the people of Israel would have no clear direction. (See: rc://en/ta/man/translate/figs-metaphor)