The gender of a lady servant is female. Some nouns for female servants are housekeeper, lady in waiting, maid, milk maid, house maid, or domestic.
In English there are no masculine or feminine forms. English uses gender specific nouns for a male or a female, such as male and female. The gender noun for a female servant can be maid or housemaid.
The feminine form of ami is amie. The feminine plural is amies.
The feminine form of alumnus is alumna. The feminine plural is alumnae.
The feminine form of bajo is baja. The feminine plural is bajas.
Mistress is the feminine form of master. It is already in feminine form.
Baroness is the feminine form.
The feminine form of charmant is charmante. The feminine plural is charmantes.
The feminine form for host is "hostess."
the name serviteur has no feminine. It is nowadays grammatically acceptable to 'feminise' these nouns, for instance by putting a feminine article before them. 'un serviteur' could then become 'une serviteur' (but most French would balk when hearing that) With slightly different meanings, 'domestique' is either feminine or masculine, the noun 'servant' has a feminine variation ('servante').
The adjective form of servant is "servile."
The gender of a lady servant is female. Some nouns for female servants are housekeeper, lady in waiting, maid, milk maid, house maid, or domestic.