'Seek' in the Bible

{How much more} when wicked men kill a righteous man in his house, on his bed! So then, shall I not seek his lifeblood from your hand, so that I may destroy you from the earth?"

When [the] Philistines heard that they had anointed David as king over Israel, all [the] Philistines went up to seek David, but David heard and went down to the stronghold.