御本尊

ごほんぞん

noun

principal object of worship at a temple (usu. a buddha or bodhisattva), principal image, idol

the man himself, the person at the heart of the matter(humerous)

御	honorable, manipulate, govern
本	book, present, main, origin, true, real, counter for long cylindrical things
尊	revered, valuable, precious, noble, exalted