The female version (seldom used today) is "testatrix."
The opposite gender of "testatrix," which refers to a female who makes a will, is "testator," referring to a male who makes a will. Both terms are used in legal contexts to describe individuals who create wills to distribute their assets after death.
Do you mean testator? If an heir receives a bequest, the testator is the person that gives the bequest to him/her.
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 of giantess is giant.
The opposite gender for Joseph is Josephine.
The opposite of dairymaid is dairyman.
gentlewoman....