CharacterController walks through wals/Objects

Hi! I am new in unity and i have problem with the objects/level

My characterController walks trough objects is it ane Script that someone have to fix this problem?

i also need help to get for example a bow to follow my character any tip?

Thanks!

start to lern unity from this tutorial 3D Platform Game, it will be very helpfully for you
Anyway, right now you have a problem because your object doesn’t have a collider.Read more about physics here