llamas can suffocate their rider in nearby walls

When theres a few llamas close together, or if the enclosure they are in is close to a wall of solid blocks, the llama's movement around those walls can cause its rider to suffocate in them, even though the llama is not suffocating. the llama can easily pull the rider out of suffocating in the wall or push its rider into the wall just by the llama's own rotation or movement.