There is no opposite gender noun for the noun miner.
The noun miner is a common gender noun, a word for a male or a female person who works in a mine.
Doctor is a neuter gender
Clot is not gender specific.
An emperor is the opposite in gender to an empress.
Opposite gender of Filipino: Filipina
The opposite gender of fraternity is sorority.
Opposite gender to negro is-- NEGRESS
The opposite gender is girl.
The opposite of dairymaid is dairyman.
A Printe is the opposite gender of Printecess
Cock's opposite gender is hen.
Mistress is the opposite gender of master.