The language which is not spoken in mainland Europe is Manx. It is used in a small island called Isle of man. It is even out of used.
*Livonian was spoken in Latvia and its last native speaker died in 2013.
*Breton is spoken in Brittany
*Basque is spoken in Basque Country in Spain.
Answer
Will Harhar Kaka be of more service after coming from Thakurbar?
Explanation
According to google translate ठाकुरबार सेआनेके बाद हरहर काका क यादा सेवा य होनेलगी ? Means
Will Harhar Kaka be of more service after coming from Thakurbar
If you mean the language, i recommend trying doulingo app it’s great app to learn a new language:)