'Lookout' in the Bible

After Isaac had been there a long time, Abimelech king of the Philistines happened to look out a window and observed Isaac caressing his wife Rebekah.

At that time they will growl over their prey, it will sound like sea waves crashing against rocks. One will look out over the land and see the darkness of disaster, clouds will turn the light into darkness.

"Find Jeremiah and look out for him. Do not do anything to harm him, but do with him whatever he tells you."

Therefore this is what the sovereign Lord says: 'Because all of you have become slag, look out! -- I am about to gather you in the middle of Jerusalem.