Ask them what they were doing on you terriotory.
Ask them what they were doing & then if they dont answer claw their ears up.
Crack a joke. & if he doesn`t answer run away.
Hive them a warning hiss and then chase them out.
Keep an eye on them while you wait for another patrol to come around and help out.
Let them go without saying a word.
Tell him/her to stay there or else then go find the leader and ask what to do.
Bring him to its leader and demand to know what it was doing on your territoy.
Pounce on it playfully and handout with it until you notice more of you clan coming.
Explain to it why it shouldn`t be on your territory & tell it not to do it again.