The 100 prefrences

What he does when he hears someone talking about you.

Bellamy

He will make them shut up by being the intimidating person he is. He gives them a small threat with that look he does and they never say another word.

John

He punched them right in the face and won't stop until they apologize.

Jasper

Tell them to shut up before walking away to go find you.

Monty

Monty being Monty will stop and listen to what they are saying before going to tell you with a big hug.