These are names of Jesse's sons. (See: [[rc://en/ta/man/translate/translate-names]])
# made him pass before Samuel
"told him to go to Samuel"
# Jesse then made Shammah pass by
It is understood that Shammah passed by Samuel. AT: "Jesse then made Shammah pass before Samuel" or "Jesse then told Shammah to go to Samuel" (See: [[rc://en/ta/man/translate/figs-ellipsis]])