Sherlock moved John's chair because he couldn't stand it being empty. On a side note, its not that hard to fold a frame into a chair like that. i do it often. (ahh, the vacant chair; so sad, it hurts my heart!
Sanātana Dharma (Devanagari: सनातन धर्म meaning "eternal dharma" or "eternal order") which has been proposed as an alternative name for Hinduism (Hindi Hindu Dharm हिन्दू धर्म,) "Hinduism" is a fairly modern term promoted first by Westerners.