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.
Noun. 1. provoker-someone who deliberately foments trouble; she was the instigator of their quarrel. inciter, instigant, instigator, firebrand. ringleader-a person who leads (especially in illicit activities). bad hat, mischief-maker, trouble maker, troublemaker, troubler-someone who deliberately stirs up trouble.oun. 1. provoker-someone who deliberately foments trouble; she was the instigator of their quarrel. inciter, instigant, instigator, firebrand. ringleader-a person who leads (especially in illicit activities). bad hat, mischief-maker, trouble maker, troublemaker, troubler-someone who deliberately stirs up trouble.