# took a flask of oil, poured it on Saul's head

In Israelite culture, when a prophet poured oil on someone's head, that person received a blessing from Yahweh. 

# flask

a small container made from baked clay

# Has not Yahweh anointed you to be a ruler over his inheritance?

"Yahweh has certainly anointed you to be a ruler over his inheritance." This is the first chapter about King Saul.