Which of the following words is an antonym for 'Savant'?

Savant (noun)

English Meaning: 
1. a person with great knowledge and ability
2. a person who has an unusually high level of ability in a particular skill, for example in art or music, or in remembering things, but who has serious learning or social difficulties in other areas
Bangla Meaning: অত্যন্ত পণ্ডিতব্যক্তি; পণ্ডিতপ্রবর।

Synonyms: Scholar (জ্ঞানী), Intellectual (বুদ্ধিজীবী), Sage (পন্ডিত), Thinker (চিন্তাবিদ), Erudite (পন্ডিত)।

Antonyms: Amateur (অদক্ষ), Ignoramus (অজ্ঞ), Jackass (অথর্ব), Fool (বোকা, অপেশাদার), Chump (মাথামোটা)।

Example Sentence: 
1. But there's no real-life pianist savant here, no cutesy romance, no saving grace.
2. He is a man possessed by his calling, a savant given to seeking refuge in his own mind from the slings and arrows of life in the 16th century.

Source: Lecture.