A person who lives in solitude-

₻ Recluse (noun):
- English Meaning - A person who lives alone and avoids going outside or talking to other people/ Someone who lives in solitude.
- Bangla Meaning - যে ব্যক্তি অন্য মানুষের সঙ্গ পরিহার করে নিঃসঙ্গ জীবনযাপন করেন; একান্তবাসী; বিবিক্তবাসী; সন্ন্যাসী।
Example Sentence - He is a millionaire recluse who refuses to give interviews.

Other options,
Ambivert - A person who has features of both an introvert and an extrovert.
Socialite - Someone, usually of high social class, who is famous for going to a lot of parties and social events.
Convivial - Friendly and making you feel happy and welcome.

Source: Cambridge Dictionary.