scare off
To frighten a person or an animal away from a particular place or thing. A noun or pronoun can be used between "scare" and "off." Can you guys quit screaming at each other in the middle of the department? You're going to scare off my 2 o'clock interview! I can do basic car repairs, but a major one like that would scare me off, honestly. He shot his rifle in the air to scare off the wolves.
scare (someone or an animal) off
to frighten someone or an animal away. The dog's barking scared the burglar off. The barking scared off the prowler.