Deaconess.
A female is sometimes called a deaconess. The noun deacon is also used as a common gender noun for both a male or female.
A seldom used gender specific noun for a female is 'prophetess'.
In Catholic, Anglican, and Orthodox churches a deacon is an ordained minister of an order ranking below that of priest. There can be no opposite. In these churches there are simply different roles that people play. The laity (or members) have a number of roles reserved for them, the religious (minsiters, nuns, etc) have other roles.
Doctor is a neuter gender
Opposite gender of Filipino: Filipina
Clot is not gender specific.
Opposite gender of a Filipino: FILIPINA
There isn't an opposite gender of farmer. A farmer can be either a male or a female.
An emperor is the opposite in gender to an empress.
The opposite gender for Joseph is Josephine.
The opposite gender of giantess is giant.
The opposite of dairymaid is dairyman.