This being over disputes about food primarily. A bred female llama will spit at advances from a male llama. A mistreated or mishandled llama, may also spit at humans. There are seven main uses for a llama, many compatible in the same animal. Llamas were primarily bred to be a beast of burden, and alpacas were bred primarily as fiber producers.
Llamas are excellent fiber producers too.
The fiber is hollow, making it excellent for creating warm clothing. It is also oil free and has no inherent odor. The qualities make this fiber a spinner's dream, and it may be felted as well. Most llamas would need shearing every other year, some every year, and some every third year. An adult male will reach a weight of between 300 and 450 lbs. and stand 5 to 6 feet tall.