en_tn_condensed/1sa/17/55.md

When Saul saw David

The conversation in 17:55-56 happened before David killed Goliath. AT: "When Saul had seen David" or "Earlier when Saul saw David" (See: rc://en/ta/man/translate/figs-events)

go out against the Philistine

"go to fight against the Philistine"

whose son is this youth

"who is this youth's father"

As you live

This was a way of swearing that what he was about to say was true.