This is the 12013th most frequent Russian word.
землекопа
"Землекопа" translates to "digger" or "earthworker" in English.
The word "землекопа" is used as a profession to denote someone who digs earth in this context.
Мой друг работает на строительной площадке в качестве землекопа.
My friend works at the construction site as an earth-digger.
Here, "землекопа" indicates the profession for which the tool is meant.
Я купил новый инструмент для землекопа.
I bought a new tool for the earth-digger.
In this case, "землекопа" refers to the historical representation of a person carrying out the profession of earth-digging.