keeping shoulder the wheel (verb) keep one's nose to the grindstone: work doggedly
Sinonime: alienated, ascetic, asocial,
austere,
cold,
cynical, eremetic, hermitlike,
introverted, misanthropic,
reclusive,
remote, reserved, retiring, solitary, standoffish, uncommunicative,
unfriendly, unsociable, withdrawn
Antonime: friendly, fun-loving, participating, sociable