'Surrounded' in the Bible

"I am sending you out like sheep surrounded by wolves, so be wise as serpents and innocent as doves.

Go! I am sending you out like lambs surrounded by wolves.

"But when you see Jerusalem surrounded by armies, then know that its desolation has come near.

The Jewish leaders surrounded him and asked, "How long will you keep us in suspense? If you are the Christ, tell us plainly."

But after the disciples had surrounded him, he got up and went back into the city. On the next day he left with Barnabas for Derbe.

Therefore, since we are surrounded by such a great cloud of witnesses, we must get rid of every weight and the sin that clings so closely, and run with endurance the race set out for us,