Humus is not just soil, it is a community of living things. Organic matter is a breeding ground for many types of microbes, including bacteria and fungi which break down plant material, and for other microorganisms that help plants roots absorb necessary nutrients.
I agree with your analysis, but I disagree that cagers refers to an entire class of persons, all motor vehicle drivers. To me, and maybe I am not using the right definition, a cager is an @sshole motor vehicle driver.
Buller Meaning: one who was an agent for the king; a bull-keeper; a large, aggressive, bull-like man. Buller Origin(s): Submit Info. Buller History: Submit Info. Buller Meaning Submitted by: Anonymous.