maven in French
maven in French
spécialiste
(chiefly, US) An expert in a given field; also, a person who is interested in and knowledgeable about a particular activity or thing; an aficionado.
connaisseur
(chiefly, US) An expert in a given field; also, a person who is interested in and knowledgeable about a particular activity or thing; an aficionado.
connaisseuse
(chiefly, US) An expert in a given field; also, a person who is interested in and knowledgeable about a particular activity or thing; an aficionado.
virtuose
(chiefly, US) An expert in a given field; also, a person who is interested in and knowledgeable about a particular activity or thing; an aficionado.