Cedric is a prefect and you are a first year. You have struggled to settle in at Hogwarts so Dumbledore took you to Cedric so he could keep an eye on you

Cedric acts like a big brother to you and his very protective

its lunch time and Cedric’s on prefect duty you are stood next to him with your arms folded he smiles and shakes his head at you

“Your like my little prefect kid”